MESON Chess Problem Database
Problem Display
PID: 62785 (8/2p2b2/1p4r1/2PkP3/Qp1N1P2/NP2RPbB/K2P1p2/B1R5 w - - 0 1)
Doukhan, Gerard
Morice, Jean
1st Prize, Themes-64, 1984
#2
14 + 8
| 721 | Variantim | 1990 |
| 3748 | FIDE Album (1983-1985) | 1992 |
| 133 | The Problemist Supplement | 2012 |
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Qc6#
- 2.Qd7#
- 1...Rg5
- 2.Qc6#
- 2.Qd7#
- 1...Rc6
- 2.Qxc6#
- 1...Rg7
- 2.Qc6#
- 2.Qd7#
- 1...Rg8
- 2.Qc6#
- 2.Qd7#
- 1...Be6
- 2.Qc6#
- 1...bxa3
- 2.Qc4#
- 1...Rg4
- Tries
- 1.Sac2?
- threat
- 2.Sxb4#
- 1...Kxc5
- 2.Qb5#
- 1...bxc5!
- threat
- 1.Sab5?
- threat
- 2.Sxc7#
- 1...c6
- 2.Sc7#
- 1...Rc6!
- threat
- 1.Sdc2?
- threat
- 2.Sxb4#
- 1...Kxc5
- 2.Qb5#
- 1...bxa3
- 2.Sb4#
- 1...bxc5
- 2.Rd3#
- 1...Rg4!
- threat
- 1.Se2?
- threat
- 2.Rd3#
- 1...Rg4
- 2.Qd7#
- 1...b5!
- threat
- 1.Sf5?
- threat
- 2.Se7#
- 1...Ke6
- 2.Qc6#
- 1...Rg4
- 2.Qd7#
- 1...Re6
- 2.Rd3#
- 1...Bh4!
- threat
- 1.Sc6?
- threat
- 2.Sxb4#
- 2.Se7#
- 2.Rd3#
- 1...Rxc6
- 2.Rd3#
- 1...bxa3
- 2.Sb4#
- 2.Se7#
- 2.Rd3#
- 2.Qe4#
- 1...bxc5
- 2.Se7#
- 2.Rd3#
- 1...b5
- 2.Sxb4#
- 2.Se7#
- 1...f1Q
- 2.Sxb4#
- 2.Se7#
- 1...f1B
- 2.Sxb4#
- 2.Se7#
- 1...Re6
- 2.Sxb4#
- 2.Rd3#
- 1...Bh4
- 2.Sxb4#
- 2.Rd3#
- 1...Rg4!
- threat
- 1.Se6?
- threat
- 2.Sxc7#
- 2.Rd3#
- 2.Qd7#
- 1...Rxe6
- 2.Rd3#
- 1...Bxe6
- 2.Rd3#
- 1...Rg4
- 2.Sxc7#
- 2.Qd7#
- 1...f1Q
- 2.Sxc7#
- 2.Qd7#
- 1...f1B
- 2.Sxc7#
- 2.Qd7#
- 1...Be8
- 2.Sxc7#
- 2.Rd3#
- 1...c6
- 2.Sc7#
- 2.Rd3#
- 1...b5!
- threat
- 1.Be6+?
- 1...Bxe6
- 2.Qc6#
- 1...Rxe6!
- 1...Bxe6
- 1.Rd3?
- threat
- 2.Se2#
- 2.Sc6#
- 2.Se6#
- 1...f1Q
- 2.Se2#
- 1...f1B
- 2.Se2#
- 1...Rg4
- 2.Qc6#
- 2.Qd7#
- 1...Rc6
- 2.Se2#
- 2.Sdb5#
- 2.Sxc6#
- 2.Se6#
- 2.Qxc6#
- 1...Re6
- 2.Se2#
- 2.Sf5#
- 2.Sc6#
- 2.Sxe6#
- 1...Be6
- 2.Se2#
- 2.Sf5#
- 2.Sc6#
- 2.Sxe6#
- 2.Qc6#
- 1...c6
- 2.Se2#
- 2.Sdb5#
- 2.Sxc6#
- 2.Se6#
- 1...b5!
- threat
- 1.Qa8+?
- 1...Rc6
- 2.Qxc6#
- 1...c6!
- 1...Rc6
- 1.e6?
- threat
- 2.Re5#
- 2.Qc6#
- 2.Qd7#
- 1...Bxf4
- 2.Qc6#
- 1...Bxe6
- 2.Re5#
- 2.Qc6#
- 1...bxc5
- 2.Qc6#
- 2.Qd7#
- 1...Rg5
- 2.Qc6#
- 2.Qd7#
- 1...Be8
- 2.Re5#
- 1...b5
- 2.Re5#
- 1...c6
- 2.Re5#
- 2.Qxc6#
- 1...Rxe6!
- threat
- 1.Sac2?
- Keys
- 1.Sdb5!
- threat
- 2.Sxc7#
- 1...Kc6
- 2.Qa8#
- 1...Rc6
- 2.Rd3#
- 1...c6
- 2.Sc7#
- 2.Rd3#
- threat
- 1.Sdb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(f);N_GUARD::QAB1(J),XR(f)
- B(h);S_CUTR(f)::QAB1(J)
- P(c);OGATE,XS(E)::QAB1(J)
- Tries
- Try
- S(E);
- Threat
- S(E),XP(c)
- Vars
- K(d);OGATEB,P-FLIGHT,P_PINP(F),XP(M)::QAR1(J)
- Refutation
- P(e);XP(M)
- Try
- S(E);
- Threat
- S(E),XP(g)
- Vars
- P(g);::S(E)
- Refutation
- R(f);
- Try
- S(K);
- Threat
- S(K),XP(c)
- Vars
- K(d);OGATEB,P-FLIGHT,P_PINP(F),XP(M)::QAR1(J)
- P(c);XS(E)::S(K)
- P(e);SBLOCK,XP(M)::R(G)
- Refutation
- R(f);
- Try
- S(K);
- Threat
- R(G)
- Vars
- R(f);N_GUARD::QAR2(J)
- Refutation
- P(e);
- Try
- S(K);
- Threat
- S(K)
- Vars
- K(d);S_FLIGHT::QAR2(J)
- R(f);N_GUARD::QAR2(J)
- R(f);SBLOCK::R(G)
- Refutation
- B(b);
- Try
- S(K);
- Threat
- DUALS(3)
- Vars
- R(f);XS(K)::R(G)
- Refutation
- R(f);
- Try
- S(K);
- Threat
- DUALS(3)
- Vars
- R(f);XS(K)::R(G)
- B(h);XS(K)::R(G)
- Refutation
- P(e);
- Try
- B(I);CHECK
- Vars
- B(h);XB(I)::QAB1(J)
- Refutation
- R(f);XB(I)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- P(a);::R(G)+S(K)
- Refutation
- P(e);
- Try
- Q(J);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(J),XR(f)
- Refutation
- P(g);P_SPINP(g)
- Try
- P(N);
- Threat
- DUALS(3)
- Vars
- B(b);XP(L)::QAB1(J)
- B(h);::R1(G)
- P(e);::R1(G)
- Refutation
- R(f);XP(N)
- Try
- Actual
- S(K);
- Threat
- S(K),XP(g)
- Vars
- K(d);P_PINP(F),S_FLIGHT::QAB(J)
- R(f);SBLOCK::R(G)
Developed and maintained by Brian Stephenson.
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