MESON Chess Problem Database
Problem Display
PID: 54915 (8/1Kp2r2/2P1Q3/2b1P1p1/R1NNk3/3RppPP/2PP2p1/1n4B1 w - - 0 1)
Doukhan, Gerard
1st Prize, Die Schwalbe, 1983/II
#2
13 + 9
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 56 | The Problemist | 2011 |
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.exf6#
- 1...Bd6
- 2.exd6#
- 1...Rf6
- Tries
- 1.Sb2?
- threat
- 2.Rxe3#
- 1...exd2
- 2.Re3#
- 1...e2
- 2.Re3#
- 1...Bb4!
- threat
- 1.Sa3?
- threat
- 2.Rxe3#
- 1...exd2
- 2.Re3#
- 1...e2
- 2.Re3#
- 1...Bb4!
- threat
- 1.Sxe3?
- threat
- 2.Qd5#
- 1...Rd7
- 2.Qf5#
- 1...Sc3!
- threat
- 1.Sa5?
- threat
- 2.Rxe3#
- 1...exd2
- 2.Re3#
- 1...e2
- 2.Re3#
- 1...Bb4!
- threat
- 1.Sb6?
- threat
- 2.Rxe3#
- 2.Qd5#
- 1...Bxd4
- 2.Rxe3#
- 2.Rdxd4#
- 2.Raxd4#
- 1...Bxb6
- 2.Rxe3#
- 1...exd2
- 2.Re3#
- 2.Qd5#
- 1...Bb4
- 2.Qd5#
- 1...Rd7
- 2.Rxe3#
- 2.Qf5#
- 1...Sc3
- 2.Rxe3#
- 1...e2
- 2.Re3#
- 2.Qd5#
- 1...cxb6+!
- threat
- 1.Sd6+?
- 1...Bxd6
- 2.Rxe3#
- 2.exd6#
- 1...cxd6+!
- 1...Bxd6
- 1.Sb3?
- threat
- 2.Sxc5#
- 2.Sd6#
- 1...Bb4
- 2.Rxe3#
- 2.Rd4#
- 1...Ba3
- 2.Sxa3#
- 2.Sd6#
- 2.Rxe3#
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bb6
- 2.Sxb6#
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 2.Rxe3#
- 2.Rd4#
- 2.exd6#
- 1...Ba7
- 2.Sb6#
- 2.Sd6#
- 1...Be7
- 2.Sd6#
- 2.Rxe3#
- 2.Rd4#
- 1...Bf8
- 2.Sd6#
- 2.Rxe3#
- 2.Rd4#
- 1...f2!
- threat
- 1.Sb5?
- threat
- 2.Scd6#
- 1...Bb4
- 2.Rxe3#
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bd6
- 2.Scxd6#
- 2.Rxe3#
- 2.Rd4#
- 2.exd6#
- 1...f2!
- threat
- 1.Sf5?
- threat
- 2.Scd6#
- 1...Bb4
- 2.Rxe3#
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bd6
- 2.Scxd6#
- 2.Rxe3#
- 2.Rd4#
- 2.exd6#
- 1...f2!
- threat
- 1.Qf5+?
- 1...Kd5
- 2.Sxe3#
- 1...Rxf5!
- 1...Kd5
- 1.Sb2?
- Keys
- 1.Sxf3!
- threat
- 2.Sxg5#
- 1...Kxf3
- 2.Qg4#
- 1...Rxf3
- 2.Sd6#
- 1...Rf5
- 2.Qd5#
- 1...Rg7
- 2.Qg4#
- 1...Be7
- 2.Rxe3#
- 1...g4
- 2.Sg5#
- threat
- 1.Sxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- R(i);OGATE::QAR(L)+P(J),XR(i)
- B(f);OGATE::QAR(L)+P(J),XB(f)
- Tries
- Try
- S(H);
- Threat
- R1(D),XP(c)
- Vars
- P(c);XP(C)::R1(D)
- P(c);::R1(D)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- R1(D),XP(c)
- Vars
- P(c);XP(C)::R1(D)
- P(c);::R1(D)
- Refutation
- B(f);
- Try
- S(H);XP(c)
- Threat
- QAB1(L)
- Vars
- R(i);N_GUARD::QAB1(L)
- Refutation
- S(a);
- Try
- S(H);
- Threat
- R1(D),XP(c)
- Vars
- P(c);XP(C)::R1(D)
- P(c);::R1(D)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(f);XS(H)::R1(D),XP(c)
- B(f);::QAB1(L)
- S(a);::R1(D),XP(c)
- Refutation
- P(h);CHECK,XS(H)
- Try
- S(H);CHECK
- Refutation
- P(h);CHECK,XS(H)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- P(d);
- Try
- S(I);
- Threat
- R(G)+S(H),DCHECK
- Vars
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- P(d);
- Try
- S(I);
- Threat
- R(G)+S(H),DCHECK
- Vars
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- P(d);
- Try
- Q(L);CHECK
- Vars
- K(e);S_FLIGHT::S(H),XP(c)
- Refutation
- R(i);XQ(L)
- Try
- Actual
- S(I);XP(d)
- Threat
- S(I),XP(g)
- Vars
- K(e);P_SPINP(c),S_FLIGHT,XS(I)::QAB1(L)
- R(i);SBLOCK,XS(I)::R(G)+S(H),DCHECK
- R(i);SBLOCK::QAB1(L)
- R(i);N_GUARD::QAR2(L)
- B(f);N_GUARD::R1(D),XP(c)
- P(g);::S(I)
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