Here are some chess puzzles from the games of Conel Hugh O'Donel Alexander.
White to move and win except where noted.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.

a)
Alexander vs William Fairhurst, London, 1932
1k1r3r/ppp2pp1/7p/3b4/8/Q1PPqB2/P5PP/1R3R1K w - - 0 1
[ Bxd5 if Rxd5 Qb3 ]

b)
Alexander vs I Dobkin, Warsaw, 1935
r3kb2/pp2pp1p/6r1/3QBb1q/4P3/2N3p1/PP4PP/3R1K1R w - - 0 1
[ Nb5 ]

c)
Black Mates in 3. A Dulanto vs Alexander, Buenos Aires, 1939
5r1k/7p/p5q1/1p1N4/3P4/1PP3pQ/P4p1P/2R4K b - - id 0-1
[ ...Qe4+ ]

d)
Alexander vs Vincenzo Castaldi, Hilversum, 1947
2r2r2/3b1k2/3Pppp1/p1Bq3p/1p3P1N/6P1/P4Q1P/2R2BK1 w - - 0 1
[ Qc2 if Rg8 Bg2 ]

e)
Alexander vs Cordingley, Surrey, 1947
rn3rk1/pq2bppp/1p1p4/2p2N2/2P5/6P1/PP2PP1P/R1BQK2R w - - 0 1
[ Qd5 ]

C H O'D Alexander Puzzles, Part II. White to move and win except where noted.
a)
White Mates in 6. Alexander vs Efim Bogoljubow, Birmingham, 1951
n4b2/1p3pkp/p2p1N2/P1rP4/2P4P/1P5r/R7/5RK1 w - - id 1-0
[ Rg2+ if Kh6 Rf5 ]

b)
Alexander vs Svetozar Gligoric, Birmingham, 1951
4rk2/1p3p1B/2nr1P2/p1N5/P4p2/5P2/1PP3P1/2K4R w - - id 1-0
[ Nd7+ Rxd7 Bf5 ]

c)
Black to move and win. Theo Van Scheltinga vs Alexander, Birmingham, 1951
3r4/1b3k2/6pp/8/1Qp1qP2/4BR2/1P4PP/7K b - - 0 1
[ ...Rd1+ Bg1 Qxf3 ]

d)
Black to move and win. Alexander Tolush vs Alexander, Hastings, 1953
r1b1k2r/ppp3q1/3b1n2/5p2/1P3Pp1/P3Pn1p/BBPNQK1P/R4R1N b - - 0 1
[ ...Nxd2 Qxd2 Ne4+ w/Qxb2 ]

e)
Alexander vs Baruch Wood, Plymouth, 1957
1b1r2qk/rB6/pQ1Pp3/Pp2p1Pp/7P/5RP1/7K/5R2 w - - 0 1
[ Qxd8 Qxd8 Rf8+ if Kg7 R1f7+ mates ]

f)
Black to move and win. H Catozzi vs Alexander, Dublin, 1957
4r1k1/5p2/pq1p2pp/n2P4/P2R4/Q2R1PP1/7P/1r3BK1 b - - id 0-1
[ ...Rb3 ]




Other English GMs
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