MESON Chess Problem Database
Problem Display
PID: 47634 (5R2/4N2p/8/1qpR3B/1r2kPr1/n2p1bPQ/2P2K2/8 w - - 0 1)
Guilbot, Fernand
Prize, Themes-64 01. TT (A), 1956
#2
9 + 9
| 4872 | Themes-64 | 1957 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.cxd3#
- 1...Qc6
- 2.cxd3#
- 1...Qd7
- 2.cxd3#
- 1...Qe8
- 2.cxd3#
- 1...Qa5
- 2.cxd3#
- 1...Qb6
- 2.cxd3#
- 1...Qb7
- 2.cxd3#
- 1...Qb8
- 2.cxd3#
- 1...Rc4
- 2.cxd3#
- 1...Rd4
- 2.Re5#
- 1...Rxg3
- 2.Qf5#
- 2.Qe6#
- 1...Rxf4
- 2.Rxf4#
- 2.Qe6#
- 1...Rh4
- 2.Bxf3#
- 2.Qf5#
- 2.Qe6#
- 1...Rg5
- 2.Bxf3#
- 1...Rg6
- 2.Bxf3#
- 2.Qf5#
- 1...Rg7
- 2.Bxf3#
- 2.Qf5#
- 2.Qe6#
- 1...Rg8
- 2.Bxf3#
- 2.Qf5#
- 2.Qe6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Sc4
- 2.cxd3#
- 1...Qa4
- Tries
- 1.Bxg4?
- threat
- 2.Bxf3#
- 2.Bf5#
- 2.Qxh7#
- 1...Qa6
- 2.Bxf3#
- 2.Bf5#
- 1...Qc6
- 2.Bxf3#
- 2.Bf5#
- 2.cxd3#
- 1...Qd7
- 2.Bxf3#
- 2.cxd3#
- 1...Qe8
- 2.Bxf3#
- 2.Bf5#
- 2.cxd3#
- 1...Qb6
- 2.Bxf3#
- 2.Bf5#
- 2.cxd3#
- 1...Bd1
- 2.Bf5#
- 2.Qxh7#
- 1...Bh1
- 2.Bf5#
- 2.Qxh1#
- 2.Qxh7#
- 1...Be2
- 2.Bf5#
- 2.Qxh7#
- 1...Bg2
- 2.Bf5#
- 2.Qxg2#
- 2.Qxh7#
- 1...h5
- 2.Bxf3#
- 2.Bf5#
- 1...h6
- 2.Bxf3#
- 2.Bf5#
- 1...Bxg4!
- threat
- 1.Bg6+?
- 1...Rxg6
- 2.Qf5#
- 1...hxg6!
- 1...Rxg6
- 1.Rff5?
- threat
- 2.Rfe5#
- 1...Qb8
- 2.cxd3#
- 1...Rg5
- 2.Bxf3#
- 1...Sc4
- 2.cxd3#
- 1...Rxg3!
- threat
- 1.Rf6?
- threat
- 2.Re6#
- 1...Rxg3
- 2.Qf5#
- 2.Qe6#
- 1...Qc6
- 2.cxd3#
- 1...Qd7
- 2.cxd3#
- 1...Qb6
- 2.cxd3#
- 1...Qb8
- 2.cxd3#
- 1...Rg5
- 2.Bxf3#
- 1...Rg6
- 2.Bxf3#
- 2.Qf5#
- 2.Qe6#
- 1...Sc4
- 2.cxd3#
- 1...Qa6!
- threat
- 1.Qxg4?
- threat
- 2.Qxf3#
- 2.Qf5#
- 2.Qe6#
- 1...Qa6
- 2.Qxf3#
- 2.Qf5#
- 1...Qc6
- 2.Qxf3#
- 2.Qf5#
- 2.cxd3#
- 1...Qd7
- 2.Qxf3#
- 2.cxd3#
- 1...Qb6
- 2.Qxf3#
- 2.Qf5#
- 2.cxd3#
- 1...Qb8
- 2.Qxf3#
- 2.Qf5#
- 2.cxd3#
- 1...Bd1
- 2.Qf5#
- 2.Qe6#
- 1...Bh1
- 2.Qf5#
- 2.Qe6#
- 2.f5#
- 1...Be2
- 2.Qf5#
- 2.Qe6#
- 1...Bg2
- 2.Qf5#
- 2.Qe6#
- 2.f5#
- 1...Sc4
- 2.Qxf3#
- 2.Qf5#
- 2.cxd3#
- 1...Bxg4!
- threat
- 1.Bxg4?
- Keys
- 1.Rfd8!
- threat
- 2.Re5#
- 1...Rxg3
- 2.Qf5#
- 1...Rxf4
- 2.Qe6#
- 1...Qd7
- 2.cxd3#
- 1...Qb8
- 2.cxd3#
- 1...Rg5
- 2.Bxf3#
- 1...Sc4
- 2.cxd3#
- 1...c4
- 2.Rd4#
- threat
- 1.Rfd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(g);N_GUARD::P(A),XP(b)
- R(d);S_CUTQ(g)::P(A),XP(b)
- R(d);SBLOCK::R1(F)
- R(f);OGATE::B(G),XB(c)
- B(c);OGATEB::QAB(D),XB(c)
- S(a);S_CUTQ(g)::P(A),XP(b)
- Tries
- Try
- B(G);XR(f)
- Threat
- DUALS(3)
- Refutation
- B(c);XB(G)
- Try
- B(G);CHECK
- Vars
- R(f);OGATE,XB(G)::QAB1(D)
- Refutation
- P(i);XB(G)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- Q(g);N_GUARD::P(A),XP(b)
- R(f);OGATE::B(G),XB(c)
- S(a);S_CUTQ(g)::P(A),XP(b)
- Refutation
- R(f);XP(C)
- Try
- R(I);
- Threat
- R(I)
- Vars
- Q(g);N_GUARD::P(A),XP(b)
- R(f);OGATE::B(G),XB(c)
- S(a);S_CUTQ(g)::P(A),XP(b)
- Refutation
- Q(g);
- Try
- Q(D);XR(f)
- Threat
- DUALS(3)
- Refutation
- B(c);XQ(D)
- Try
- Actual
- R(I);
- Threat
- R1(F)
- Vars
- R(f);OGATE,XP(C)::QAB1(D)
- R(f);OGATE,XP(E)::QAR2(D)
- Q(g);N_GUARD::P(A),XP(b)
- R(f);OGATE::B(G),XB(c)
- S(a);S_CUTQ(g)::P(A),XP(b)
- P(h);N_GUARD,S_CUTR(d)::R1(F)
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