Scoresheet scan accuracy, move by move

Name: ScanChess scoresheet recognition benchmark, October 2026
Creator: ScanChess
License: https://creativecommons.org/licenses/by/4.0/

We ran six scoresheets through the scanner, from a clean synthetic sheet to Fischer's 1970 scrawl, and publish every move: what the sheet says, what the scanner read, and where it went wrong. You won't find an overall percentage here: six sheets are too few for one.

Tested 16 October 2026 · model gemini-3-flash-preview · one run per sheet · How we tested

What the test shows

181/204moves read right first time on 4 standard algebraic scoresheetsTwo synthetic sheets: 98 of 98. Two real handwritten ones: 83 of 106.
43/45on a clean, real German scoresheet from 1973We found no published score of this game, so the model is unlikely to know it in advance.
0moves invented on blank scoresheets2 of 2 blank forms were refused as having no moves on them.

Descriptive notation (P-K4) is not supportedTwo sheets written that way are included below, so you can see what happens to them.

Results by sheet

Easiest first. Each sheet was read once, the way the app reads an upload. Open a comparison to see every move: what was played next to what the scanner read.

KeyRead rightRead as another moveNot readRead, but not a move in the gameFlagged yellow (low confidence)First illegal move (marked red)

EasyEnglish algebraicSynthetic

Rivera – Okafor (fictional players)

ScanChess demo sheet · Ruy Lopez

65/65moves read right · 100.0%

Wrong: 0
Not read: 0
Extra: 0
Flagged yellow: 0
Marked illegal: 0

Written in a handwriting font on a flat, evenly lit form: the easiest case there is. It is the same image as the demo on our home page.

Ground truth: the move list the sheet was drawn from

Compare every move

Moves of Rivera – Okafor (fictional players): what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	e4	e4	e5	e5
2	Nf3	Nf3	Nc6	Nc6
3	Bb5	Bb5	a6	a6
4	Ba4	Ba4	Nf6	Nf6
5	O-O	O-O	Be7	Be7
6	Re1	Re1	b5	b5
7	Bb3	Bb3	d6	d6
8	c3	c3	O-O	O-O
9	h3	h3	Nb8	Nb8
10	d4	d4	Nbd7	Nbd7
11	Nbd2	Nbd2	Bb7	Bb7
12	Bc2	Bc2	Re8	Re8
13	Nf1	Nf1	Bf8	Bf8
14	Ng3	Ng3	g6	g6
15	a4	a4	c5	c5
16	d5	d5	c4	c4
17	Bg5	Bg5	h6	h6

Moves of Rivera – Okafor (fictional players): what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
18	Be3	Be3	Nc5	Nc5
19	Qd2	Qd2	h5	h5
20	Bg5	Bg5	Be7	Be7
21	Rad1	Rad1	Qc7	Qc7
22	Bf4	Bf4	Rf8	Rf8
23	Nh2	Nh2	Nh7	Nh7
24	Be3	Be3	Bf6	Bf6
25	Nf3	Nf3	Bg7	Bg7
26	Qc1	Qc1	Kh8	Kh8
27	Bd2	Bd2	Nf6	Nf6
28	Nh2	Nh2	Rae8	Rae8
29	f4	f4	exf4	exf4
30	Bxf4	Bxf4	Nfxe4	Nfxe4
31	Nxe4	Nxe4	Nxe4	Nxe4
32	Bxe4	Bxe4	Rxe4	Rxe4
33	Rxe4	Rxe4

EasyEnglish algebraicSynthetic

Morphy – Duke of Brunswick and Count Isouard

The Opera Game, Paris 1858, on a ScanChess demo sheet

33/33moves read right · 100.0%

Wrong: 0
Not read: 0
Extra: 0
Flagged yellow: 0
Marked illegal: 0

A synthetic sheet photographed at an angle, with three planted traps: 7…Qe7 drawn to look like Qe1, 9…b5 drawn like “65”, and 14.Rd1 written after a struck-out Rd8. All three were read right, but this is one of the most published games ever, so the model may simply know it.

Ground truth: chessgames.com

Compare every move

Moves of Morphy – Duke of Brunswick and Count Isouard: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	e4	e4	e5	e5
2	Nf3	Nf3	d6	d6
3	d4	d4	Bg4	Bg4
4	dxe5	dxe5	Bxf3	Bxf3
5	Qxf3	Qxf3	dxe5	dxe5
6	Bc4	Bc4	Nf6	Nf6
7	Qb3	Qb3	Qe7	Qe7
8	Nc3	Nc3	c6	c6
9	Bg5	Bg5	b5	b5

Moves of Morphy – Duke of Brunswick and Count Isouard: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
10	Nxb5	Nxb5	cxb5	cxb5
11	Bxb5+	Bxb5+	Nbd7	Nbd7
12	O-O-O	O-O-O	Rd8	Rd8
13	Rxd7	Rxd7	Rxd7	Rxd7
14	Rd1	Rd1	Qe6	Qe6
15	Bxd7+	Bxd7+	Nxd7	Nxd7
16	Qb8+	Qb8+	Nxb8	Nxb8
17	Rd8#	Rd8#

MediumGerman algebraicReal handwriting

J. Hund – Finkenzeller

Berlin New Year's Eve tournament 1973, round 1

43/45moves read right · 95.6%

Wrong: 2
Not read: 0
Extra: 0
Flagged yellow: 0
Marked illegal: 1

Clear, upright handwriting in German notation (S, L, T, D), photographed with a phone. Both mistakes are one misread: 17.Bb4 (written Lb4) was read as Bf4, so 17…Bxb4 became Bxf4. Neither was flagged yellow; the rules check marked the next move, 18.Qxb4, as illegal, one move after the misread.

Ground truth: our transcription, checked by a second, independent one

Compare every move

Moves of J. Hund – Finkenzeller: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	c4	c4	Nf6	Nf6
2	Nc3	Nc3	c6	c6
3	g3	g3	d5	d5
4	cxd5	cxd5	cxd5	cxd5
5	Bg2	Bg2	e6	e6
6	d4	d4	Be7	Be7
7	Nf3	Nf3	Nc6	Nc6
8	O-O	O-O	O-O	O-O
9	Bf4	Bf4	a6	a6
10	Rc1	Rc1	b5	b5
11	Nxb5	Nxb5	axb5	axb5
12	Rxc6	Rxc6	Ne8	Ne8

Moves of J. Hund – Finkenzeller: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
13	Qb3	Qb3	Bb7	Bb7
14	Rc2	Rc2	Qb6	Qb6
15	Rfc1	Rfc1	Bd6	Bd6
16	Bd2	Bd2	Nf6	Nf6
17	Bb4	Bf4 (Read as another move)	Bxb4	Bxf4 (Read as another move)
18	Qxb4	Qxb4 (First illegal move (marked red))	Nd7	Nd7
19	a3	a3	Rfc8	Rfc8
20	Nd2	Nd2	Rxc2	Rxc2
21	Rxc2	Rxc2	Ra4	Ra4
22	Qe7	Qe7	Nf8	Nf8
23	Rc7	Rc7

HardGerman algebraicReal handwriting

Réti – Capablanca

New York 1924, round 5

40/61moves read right · 65.6%

Wrong: 21
Not read: 0
Extra: 1
Flagged yellow: 0
Marked illegal: 1

Fast, slanted handwriting on yellowed paper, with shorthand such as “ed” for exd4, in a low-resolution scan. The first 12 moves were read right; from move 13 the reads drift. Only one of the 22 mistakes was marked: 14.b5, read as Nb3, as the first illegal move. “Resigns” was also read as a move. A famous game, so the model may know it.

Ground truth: chessgames.com

Compare every move

Moves of Réti – Capablanca: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	Nf3	Nf3	Nf6	Nf6
2	c4	c4	g6	g6
3	b4	b4	Bg7	Bg7
4	Bb2	Bb2	O-O	O-O
5	g3	g3	b6	b6
6	Bg2	Bg2	Bb7	Bb7
7	O-O	O-O	d6	d6
8	d3	d3	Nbd7	Nbd7
9	Nbd2	Nbd2	e5	e5
10	Qc2	Qc2	Re8	Re8
11	Rfd1	Rfd1	a5	a5
12	a3	a3	h6	h6
13	Nf1	Nf1	c5	Nf8 (Read as another move)
14	b5	Nb3 (Read as another move, First illegal move (marked red))	Nf8	axb4 (Read as another move)
15	e3	e3	Qc7	Qc7
16	d4	d4	Be4	Be6 (Read as another move)

Moves of Réti – Capablanca: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
17	Qc3	Nc3 (Read as another move)	exd4	c6 (Read as another move)
18	exd4	cxd (Read as another move)	N6d7	Nfd7 (Read as another move)
19	Qd2	Bd2 (Read as another move)	cxd4	fxd (Read as another move)
20	Bxd4	Bxd4	Qxc4	Bxe7 (Read as another move)
21	Bxg7	Bxg7	Kxg7	Kxg7
22	Qb2+	Bd2+ (Read as another move)	Kg8	Kg8
23	Rxd6	Rxa1 (Read as another move)	Qc5	Rxa1 (Read as another move)
24	Rad1	Rad1	Ra7	Ra5 (Read as another move)
25	Ne3	Ne1 (Read as another move)	Qh5	Qa5 (Read as another move)
26	Nd4	Nd1 (Read as another move)	Bxg2	Bxg2
27	Kxg2	Kxg2	Qe5	Qe5
28	Nc4	Nc3 (Read as another move)	Qc5	f5 (Read as another move)
29	Nc6	Nc6	Rc7	Ra7 (Read as another move)
30	Ne3	Ne3	Ne5	Ne5
31	R1d5	Rd1-d5	—	Resigns (Read, but not a move in the game)

HardEnglish descriptiveReal handwritingNot supported

Eisenberg – Capablanca

New York (Rice Chess Club), 1909

1/126moves read right · 0.8%

Wrong: 70
Not read: 55
Extra: 0
Flagged yellow: 2
Marked illegal: 1

Written in English descriptive notation (P-K4, Kt-KB3), which ScanChess does not support. The scanner copied the moves as written, and those cannot become PGN. The right half of the sheet, moves 36 to 63, was not read at all.

Ground truth: Edward Winter, Chess Notes 4551

Compare every move

Moves of Eisenberg – Capablanca: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	e4	P-K4 (Read as another move, First illegal move (marked red))	e5	P-K4 (Read as another move)
2	Nf3	Kt-KB3 (Read as another move)	Nc6	Kt-QB3 (Read as another move)
3	Bc4	B-B4 (Read as another move)	Nf6	Kt-B3 (Read as another move)
4	Ng5	Kt-Kt5 (Read as another move)	d5	P-Q4 (Read as another move)
5	exd5	PxP (Read as another move)	Na5	Kt-R4 (Read as another move)
6	Bb5+	B-Kt5+ (Read as another move)	c6	P-B3 (Read as another move)
7	dxc6	PxP (Read as another move)	bxc6	PxP (Read as another move)
8	Be2	B-K2 (Read as another move)	h6	P-KR3 (Read as another move)
9	Nf3	Kt-B3 (Read as another move)	e4	P-K5 (Read as another move)
10	Ne5	Kt-K5 (Read as another move)	Qd4	Q-Q5 (Read as another move)
11	f4	P-KB4 (Read as another move)	Bc5	B-B4 (Read as another move)
12	Rf1	R-B (Read as another move)	Bb6	B-KKt3 (Read as another move, Flagged yellow (low confidence))
13	c3	P-B3 (Read as another move)	Qd6	Q-Q2 (Read as another move)
14	b4	P-QKt4 (Read as another move)	Nb7	Kt-Kt2 (Read as another move)
15	Qa4	Q-R4 (Read as another move)	Bd7	B-Q2 (Read as another move)
16	Na3	Kt-R3 (Read as another move)	O-O	O-O
17	Nac4	— (Not read)	Qc7	— (Not read)
18	Nxd7	— (Not read)	Nxd7	— (Not read)
19	Qc2	— (Not read)	Rfe8	— (Not read)
20	a4	— (Not read)	a5	— (Not read)
21	Rb1	— (Not read)	Rad8	— (Not read)
22	Qb3	— (Not read)	Ba7	— (Not read)
23	Ba3	— (Not read)	axb4	— (Not read)
24	cxb4	— (Not read)	c5	— (Not read)
25	b5	— (Not read)	Na5	— (Not read)
26	Nxa5	— (Not read)	Qxa5	— (Not read)
27	Bb2	— (Not read)	Nb6	— (Not read)
28	Qc3	— (Not read)	Qxc3	— (Not read)
29	Bxc3	— (Not read)	Nxa4	— (Not read)
30	Be5	— (Not read)	Bb8	— (Not read)
31	b6	— (Not read)	Re6	— (Not read)
32	Bc7	— (Not read)	Rf8	— (Not read)

Moves of Eisenberg – Capablanca: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
33	Bd1	— (Not read)	Bxc7	— (Not read)
34	bxc7	— (Not read)	Rb6	— (Not read)
35	Ra1	— (Not read)	Nb2	— (Not read)
36	Bg4	— (Not read)	Rc6	— (Not read)
37	c8=Q	— (Not read)	Rfxc8	— (Not read)
38	Bxc8	— (Not read)	Rxc8	— (Not read)
39	Ke2	— (Not read)	Rd8	— (Not read)
40	g3	— (Not read)	Kh7	— (Not read)
41	f5	— (Not read)	Nc4	— (Not read)
42	Ra2	— (Not read)	Rd5	— (Not read)
43	g4	— (Not read)	Ne5	— (Not read)
44	Rf4	— (Not read)	Nd3	Kt(R3) B4 (Read as another move)
45	Rf1	Q-B2 (Read as another move)	Ne5	KtxB (Read as another move)
46	Ra4	KtxKt (Read as another move)	c4	Q-B2 (Read as another move)
47	h3	KR-K (Read as another move)	Nf3	Q-QKt2 (Read as another move)
48	Rxc4	P-QR4 (Read as another move)	Rxd2+	P-QR4 (Read as another move)
49	Ke3	QR-Q (Read as another move)	Rh2	Q-Kt3 (Read as another move)
50	Rd1	B-R2 (Read as another move)	Ng5	B-R3 (Read as another move)
51	Rd8	PxP (Read as another move)	Rxh3+	PxP (Read as another move)
52	Ke2	P-B4 (Read as another move)	Rh2+	P-Kt5 (Read as another move)
53	Ke3	Kt-R4 (Read as another move)	Rh3+	KtxKt (Read as another move)
54	Kd2	QxKt (Read as another move)	g6	B-Kt2 (Read as another move)
55	f6	Kt-Kt3 (Read as another move)	e3+	Q-B3 (Read as another move)
56	Ke2	QxQ (Read as another move)	Ne6	BxQ (Read as another move)
57	Rd7	KtxP (Read as another move)	g5	R-K5 (Read as another move)
58	Rxf7+	B-Kt5 (Read as another move)	Kg6	B-Kt6 (Read as another move)
59	Re7	R-K3 (Read as another move)	Kxf6	B-B7 (Read as another move)
60	Rxe6+	R-KB (Read as another move)	Kxe6	B-Q (Read as another move)
61	Re4+	BxB (Read as another move)	Kd5	PxB (Read as another move)
62	Rxe3	R-QR3 (Read as another move)	Rxe3+	Q-QR (Read as another move, Flagged yellow (low confidence))
63	Kxe3	Kt-Kt7 (Read as another move)	Ke5	Resigns (Read as another move)

HardEnglish descriptiveReal handwritingNot supported

Fischer – Najdorf

Siegen Olympiad 1970 · two pages

2/96moves read right · 2.1%

Wrong: 68
Not read: 26
Extra: 0
Flagged yellow: 22
Marked illegal: 1

Fischer's fast, overlapping handwriting in descriptive notation, with ink showing through from the back of the page. Not supported. 22 of the wrong reads were flagged yellow, more than on any other sheet.

Ground truth: chessgames.com

Compare every move

Moves of Fischer – Najdorf: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
1	e4	P-K4 (Read as another move, First illegal move (marked red))	c5	P-QB4 (Read as another move)
2	Nf3	N-KB3 (Read as another move)	e6	P-Q3 (Read as another move)
3	d4	P-Q4 (Read as another move)	cxd4	PxP (Read as another move)
4	Nxd4	NxP (Read as another move)	a6	P-QR3 (Read as another move)
5	Bd3	B-Q3 (Read as another move)	Nf6	N-KB3 (Read as another move)
6	O-O	O-O	d6	— (Not read)
7	c4	— (Not read)	Bd7	— (Not read)
8	Nc3	— (Not read)	Nc6	— (Not read)
9	Be3	— (Not read)	Be7	— (Not read)
10	h3	— (Not read)	Ne5	— (Not read)
11	Be2	— (Not read)	Rc8	P-K4 (Read as another move)
12	Qb3	P-QB4 (Read as another move)	Qc7	B-K2 (Read as another move)
13	Rac1	N-QB3 (Read as another move)	O-O	O-O
14	f4	— (Not read)	Nc6	— (Not read)
15	Nf3	— (Not read)	Qb8	— (Not read)
16	Qd1	— (Not read)	Be8	— (Not read)
17	Qd2	— (Not read)	Na5	— (Not read)
18	b3	— (Not read)	b6	— (Not read)
19	Bd3	— (Not read)	Nc6	— (Not read)
20	Qf2	— (Not read)	b5	— (Not read)
21	Rfd1	— (Not read)	Nb4	— (Not read)
22	Bf1	B-K3 (Read as another move)	bxc4	B-K3 (Read as another move)
23	bxc4	P-KR3 (Read as another move)	a5	N-R4 (Read as another move)
24	Nd4	B-K2 (Read as another move)	Qa8	R-B1 (Read as another move)

Moves of Fischer – Najdorf: what was played and what the scanner read
Move number	White		Black
Move number	Played	Read	Played	Read
25	Qf3	Q-Q2 (Read as another move)	Na6	Q-B2 (Read as another move)
26	Ndb5	P-B4 (Read as another move)	Nc5	Q-K1 (Read as another move, Flagged yellow (low confidence))
27	e5	N-B3 (Read as another move)	dxe5	N-B3 (Read as another move)
28	Qxa8	Q-B2 (Read as another move, Flagged yellow (low confidence))	Rxa8	N-R4 (Read as another move, Flagged yellow (low confidence))
29	fxe5	B-Q3 (Read as another move)	Nfe4	P-N3 (Read as another move, Flagged yellow (low confidence))
30	Nd6	P-R4 (Read as another move)	Bc6	P-N3 (Read as another move, Flagged yellow (low confidence))
31	Ncxe4	P-R5 (Read as another move)	Nxe4	P-R4 (Read as another move, Flagged yellow (low confidence))
32	c5	R-B1 (Read as another move)	Ng3	R-B1 (Read as another move)
33	Bc4	P-QN3 (Read as another move, Flagged yellow (low confidence))	h5	B-Q2 (Read as another move)
34	Bf2	B-N1 (Read as another move, Flagged yellow (low confidence))	h4	Q-N2 (Read as another move, Flagged yellow (low confidence))
35	Bxg3	R-B2 (Read as another move, Flagged yellow (low confidence))	hxg3	PxP (Read as another move)
36	Bb5	PxP (Read as another move)	Bxb5	Q-R1 (Read as another move, Flagged yellow (low confidence))
37	Nxb5	B-B2 (Read as another move, Flagged yellow (low confidence))	f6	R-R2 (Read as another move)
38	Rd7	Q-N2 (Read as another move, Flagged yellow (low confidence))	Bd8	B-B3 (Read as another move)
39	Rc3	B-B1 (Read as another move, Flagged yellow (low confidence))	fxe5	B-N4 (Read as another move)
40	Rxg3	PxB (Read as another move)	Rf7	B-B1 (Read as another move, Flagged yellow (low confidence))
41	Rxf7	B-R3 (Read as another move)	Kxf7	PxP (Read as another move)
42	c6	PxP (Read as another move)	Bb6+	R-R1 (Read as another move)
43	Kf1	R-B1 (Read as another move)	Kf8	B-R3 (Read as another move, Flagged yellow (low confidence))
44	c7	Q-B2 (Read as another move, Flagged yellow (low confidence))	Rc8	R-R3 (Read as another move, Flagged yellow (low confidence))
45	a4	N-N2 (Read as another move, Flagged yellow (low confidence))	e4	R-K1 (Read as another move, Flagged yellow (low confidence))
46	Ke2	B-N4 (Read as another move)	e5	B-B2 (Read as another move, Flagged yellow (low confidence))
47	Rg6	B-Q5 (Read as another move)	Bd4	R-B4 (Read as another move)
48	h4	B-N7 (Read as another move, Flagged yellow (low confidence))	Bb2	Resigns (Read as another move)

Blank scoresheets

A scanner that guesses would fill a blank form with plausible moves. We sent two blank forms, and both were refused.

Blank Polish form (Zapis partii szachowej)
Correctly refused
Moves invented: 0
Przemysław Jahr / Wikimedia Commons · Public domain
Blank Colombian form (Anotación 027)
Correctly refused
Moves invented: 0
EVD / Coldeportes, Wikimedia Commons, CC BY-SA 2.5 CO · License · Resized; shared under the same license

How we tested

Date and model: 16 October 2026, with Google's gemini-3-flash-preview, a preview model, at the scanner's default settings. The results describe that version only.
Code: The production scanning code was called directly, with the same prompt, checks and notation handling as the live scanner, but outside the website: no credits were spent and nothing was stored.
Images: Prepared the way the web app prepares an upload: turned upright, longest edge at most 2000 pixels, saved as JPEG at quality 0.85. Each sheet was read once; the two Fischer pages went in together as one scan.
Scoring: Each read move was lined up with the game using a minimum-edit alignment. A move counts as right when it names the move actually played in that position, so Nxe5 for Ne5 counts and an ambiguous Nd7 does not. Moves copied in descriptive notation count as wrong, because they cannot become PGN.
Flags: Yellow means the model's confidence was below 0.85, the threshold the review screen uses. Red is the first move that turns out illegal when the game is replayed. These are the same rules the app applies.
Ground truth: Published game scores (chessgames.com, Edward Winter's Chess Notes) or, for the demo sheets, the move list they were drawn from. The 1973 Hund sheet has no published score: we transcribed it, then had it transcribed again independently, without sight of ours. The two matched on all 45 plies, and every move list replays legally.

Download the results (JSON)Every ply with the model's confidence. Free to reuse under CC BY 4.0; the images keep their own licenses.

What this test can't tell you

1.Only six sheets are scored, four of them real handwriting, and each was read once, so variation between runs is not measured.
2.The two perfect scores are synthetic sheets written in a handwriting font, not by a person.
3.Famous games may be in the model's training data. We found no published score of the 1973 Hund game, which makes it the best guide here to how real sheets are read.
4.The Hund ground truth is our own transcription, checked by an independent second one.
5.ScanChess does not support descriptive notation.
6.The model is a preview version, and these results describe it on 16 October 2026. We have not confirmed that the live scanner runs exactly this model configuration.
7.There is no comparison with other scanners.

We'll add more handwritten samples. If you have a filled-in scoresheet of a known game that we may publish, write to support@scanchess.com

Image credits and licenses

Each sheet is shown as it was sent to the scanner, scaled down for this page.

Rivera – Okafor (fictional players)Own work (ScanChess)
Morphy – Duke of Brunswick and Count IsouardOwn work (ScanChess)
J. Hund – FinkenzellerPhoto: GFHund, Wikimedia Commons, CC BY-SA 4.0 · License · Resized; shared under the same license
Réti – CapablancaScore-sheet via Wikimedia Commons · Public domain
Eisenberg – CapablancaCapablanca's score-sheet, Edward Winter collection, via Wikimedia Commons · Public domain
Fischer – NajdorfScore-sheet scan via Wikimedia Commons · Public domain
Blank Polish form (Zapis partii szachowej)Przemysław Jahr / Wikimedia Commons · Public domain
Blank Colombian form (Anotación 027)EVD / Coldeportes, Wikimedia Commons, CC BY-SA 2.5 CO · License · Resized; shared under the same license

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