## 'Chess Opening' series from wtharvey.com

### Here are some chess puzzles from the QGD, Ragozin Variation (ECO D38).1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.
White to move and win except where noted.

a)
Silvino Garcia Martinez vs A El Amri, Buenos Aires, 1978
rnbqk2r/p1p2ppp/1p2pn2/3p4/1bPP4/2N1PN2/PP3PPP/R1BQKB1R w KQkq - 0 1
[ Qa4+ ]

b)
Gunter Schoneberg vs Jorge Pelaez, corr., 1983
r5kr/pp3pBp/8/3pQ3/2pP4/4P3/Pq1nKPPP/R2R4 w - - 0 1
[ Rxd2 if Qxa1 Bh6 mates ]

c)
Bjorn Tiller vs Ingrid Dahl, Gausdal, 1988
r1b3k1/p1q2pp1/1pp2n1p/8/1b1P4/2NB1N2/PPQ2PPP/4R1K1 w - - 0 1
[ Nd5 Qd6 Nxb4 if Qxb4 Qxc6 Rb8 Re8+ ]

d)
Ognjen Cvitan vs Marcel Becker, St. Ingbert, 1995
1r2r1k1/pp3ppp/2b2n2/q2pN3/P1pP4/2P1P3/1QB2PPP/RR4K1 w - - 0 1
[ Nxc6 bxc6 Qxb8 ]

e)
Tapio Salo vs Olafur Isberg Hannesson, Copenhagen, 1997
2r2rk1/p2q1ppp/2p5/2Rp1bB1/3Qn3/4PB2/PP3PPP/3R2K1 w - - 0 1
[ Bxe4 Bxe4 Qxe4 ]

1c)
Bjorn Tiller vs Ingrid Dahl

D38 Puzzles, Part II.
White to move and win except where noted.
a)
White mates in 5.
David Kjartansson vs Thorir Juliusson, Reykjavik, 1997
r4r1k/pb1q1pp1/1pp1p2p/5P2/2PP4/2PBQ1R1/P5PP/R5K1 w - - 0 1
[ f6 if Rg8 Rxg7 Rxg7 Qxh6+ ]

b)
Jacques Demarre vs Gabriel Battaglini, Issy Les Moulineaux, 2000
r1b1k2r/pp3p2/2p1p2p/2P5/6Q1/2P1P1P1/P2N1Pq1/R3K2R w KQkq - 0 1
[ 0-0-0 if Qxf2 Qd4 Bd7 Ne4 ]

c)
White mates in 7.
Pauline Guichard vs Audrey Kuchly, France, 2003
r1b1qr1k/pp3ppB/1n2pn2/4N1N1/1bp2B1P/4P3/PPQ2PP1/3R1K1R w - - 0 1
[ Rd8 ]

d)
Ole Jakobsen vs Gregorio Sola Plaza, Andorra, 2007
r1b1r1k1/pp2qppp/2p5/8/2P1n3/2N1PN2/PPQ3PP/2KR3R w - - 0 1
[ Qxe4 if Qxe4 Nxe4 ]

e)
Marina Videkovic vs Neomi Grgic, Valpovo, 2007
r1q1r1k1/pb2npp1/1pp4p/3pN3/P2P2n1/B1PBP3/2Q2PPP/R4RK1 w - - 0 1
[ Bh7+ if Kf8 Bf5 ]

f)
Alexander Grischuk vs Boris Savchenko, Moscow, 2007
r3r1k1/pp3p1p/1n3Bp1/q2pP3/1bpPb3/2N2N2/PP1Q1PPP/R4RK1 w - - 0 1
[ a3 if Bf8 Nxe4 ]

g)
Endre Machlik vs Hans Peter Reutimann, Tromsoe, 2010
r1b1r1k1/ppqn2p1/2p4p/5p2/1bNPp2B/2N1P3/PPQ2PPP/R3R1K1 w - - 0 1
[ Qb3 if Bxc3 Nd6+ ]

2e)
Marina Videkovic vs Neomi Grgic

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