MESON Chess Problem Database
Problem Display
PID: 141113 (bKn3B1/5P2/1p1NRPp1/1PNk2P1/1pR1p3/5Q2/3P4/B6q w - - 0 1)
Cheron, Andre
Journal de Geneve, 1974
#2
13 + 8
| 102 | Probleemblad | 1979 |
| 3389 | Belgian Solving Championship | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxa1
- 2.Qxe4#
- 1...Qc1
- 2.Qxe4#
- 1...Qd1
- 2.Qxe4#
- 1...Qf1
- 2.Qxe4#
- 1...Qg1
- 2.Qxe4#
- 1...Qh2
- 2.Qxe4#
- 1...Qh3
- 2.Qxe4#
- 1...Qh5
- 2.Qxe4#
- 1...Qh6
- 2.Qxe4#
- 1...Qh7
- 2.Qxe4#
- 1...Qh8
- 2.Qxe4#
- 1...Qxa1
- Tries
- 1.Kc7?
- threat
- 2.Re5#
- 1...Qxa1
- 2.Qxe4#
- 1...Qh2
- 2.Qxe4#
- 1...Sxd6!
- threat
- 1.Scxe4?
- threat
- 2.Re5#
- 1...Kxe6
- 2.f8S#
- 1...Qxa1
- 2.Sc5#
- 1...Qh2
- 2.Sc5#
- 1...Sxd6!
- threat
- 1.Sdxe4?
- threat
- 2.Rd4#
- 2.Qd3#
- 1...Qh2+
- 2.Sd6#
- 1...Kxc4
- 2.Qd3#
- 1...Qxf3
- 2.Rd4#
- 1...Qxa1
- 2.Sd6#
- 1...Qb1
- 2.Rd4#
- 1...Qf1
- 2.Rd4#
- 1...Qg1
- 2.Sd6#
- 1...Qh3
- 2.Rd4#
- 1...bxc5!
- threat
- 1.Rexe4?
- threat
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Kxd6
- 2.Re6#
- 1...Qxf3
- 2.f8Q#
- 2.f8B#
- 1...Qxa1
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Sxd6
- 2.Qd3#
- 1...bxc5
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qg2
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qb1
- 2.f8Q#
- 2.f8B#
- 1...Qc1
- 2.Re6#
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qd1
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qe1
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qf1
- 2.f8Q#
- 2.f8B#
- 1...Qg1
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Qh2
- 2.Re6#
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qh4
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qh5
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qh6
- 2.Re6#
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qh7
- 2.Re6#
- 2.Qd3#
- 1...Qh8
- 2.Re6#
- 2.Qd3#
- 1...Bc6
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Bb7
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Sa7
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Se7
- 2.Qd3#
- 1...b3
- 2.Qd3#
- 2.f8Q#
- 2.f8B#
- 1...Qh3!
- threat
- 1.Qc3?
- threat
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Qxa1
- 2.Rd4#
- 1...Sxd6
- 2.Rd4#
- 2.Re5#
- 2.Qd4#
- 1...bxc5
- 2.Qe5#
- 1...Qg1
- 2.Qe5#
- 1...Qh2
- 2.Rd4#
- 2.Qd4#
- 1...bxc3!
- threat
- 1.Qe3?
- threat
- 2.Qd4#
- 1...Qxa1
- 2.Qxe4#
- 1...Qg1
- 2.Qxe4#
- 1...bxc5!
- threat
- 1.Qf4?
- threat
- 2.Qe5#
- 1...Qxa1
- 2.Qxe4#
- 1...Qh2
- 2.Qxe4#
- 1...Sxd6!
- threat
- 1.f8Q?
- threat
- 2.Rexe4#
- 2.Re5#
- 2.Re8#
- 1...Qxa1
- 2.Rexe4#
- 2.Re8#
- 2.Qxe4#
- 1...Sxd6
- 2.Re5#
- 2.Rxd6#
- 1...exf3
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Ree4#
- 2.Re5#
- 2.Re8#
- 1...Qh3
- 2.Re5#
- 2.Qxe4#
- 1...Qh7
- 2.Re5#
- 2.Qxe4#
- 1...Qh8
- 2.Re5#
- 2.Qxe4#
- 1...Se7!
- threat
- 1.f8B?
- threat
- 2.Rexe4#
- 2.Re5#
- 2.Re8#
- 1...Qxa1
- 2.Rexe4#
- 2.Re8#
- 2.Qxe4#
- 1...Sxd6
- 2.Re5#
- 2.Rxd6#
- 1...exf3
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Ree4#
- 2.Re5#
- 2.Re8#
- 1...Qh3
- 2.Re5#
- 2.Qxe4#
- 1...Qh7
- 2.Re5#
- 2.Qxe4#
- 1...Qh8
- 2.Re5#
- 2.Qxe4#
- 1...Se7!
- threat
- 1.Kc7?
- Keys
- 1.Rcxe4!
- threat
- 2.R4e5#
- 1...Kxc5
- 2.Rc4#
- 1...Qxa1
- 2.Rc4#
- 1...Sxd6
- 2.R6e5#
- threat
- 1.Rcxe4!
This is after 9982
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD,XB(A)::QAB1(C),XP(c)
- Q(a);N_GUARD::QAB1(C),XP(c)
- Q(a);N_GUARD,P_PINS(H)::QAB1(C),XP(c)
- Tries
- Try
- K(L);S_FLIGHT
- Threat
- R1(I)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(C),XP(c)
- Q(a);N_GUARD,P_PINS(H)::QAB1(C),XP(c)
- Refutation
- S(h);XS(H)
- Try
- S(F);XP(c)
- Threat
- R1(I)
- Vars
- K(d);S_FLIGHT,XR(I)::P=S
- Q(a);N_GUARD,XB(A)::QAB(C)+S(F)
- Q(a);N_GUARD,P_PINS(H)::QAB(C)+S(F)
- Refutation
- S(h);XS(H)
- Try
- S(H);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,N_GUARD::QAB(C)+S(H)
- K(d);S_FLIGHT,XR(D)::QAB1(C)
- Q(a);XQ(C)::R1(D)
- Q(a);N_GUARD,XB(A)::QAB(C)+S(H)
- Q(a);::R1(D)
- Q(a);N_GUARD::QAB(C)+S(H)
- Refutation
- P(e);XS(F)
- Try
- R(I);XP(c)
- Threat
- DUALS(3)
- Vars
- K(d);P-FLIGHT,XS(H)::R1(I)
- Q(a);XQ(C)::P=Q
- S(h);SBLOCK,XS(H)::QAR2(C)
- Q(a);::P=Q
- S(h);::QAR2(C)
- Refutation
- Q(a);
- Try
- Q(C);N_PINP(c)
- Threat
- DUALS(3)
- Vars
- Q(a);XB(A)::R1(D)
- P(e);XS(F)::QAR1(C)
- Q(a);::QAR1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);N_PINP(c)
- Threat
- QAR1(C)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(C),XP(c)
- Q(a);N_GUARD::QAB1(C),XP(c)
- Refutation
- P(e);XS(F)
- Try
- Q(C);N_PINP(c)
- Threat
- QAR1(C)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(C),XP(c)
- Q(a);N_GUARD::QAB1(C),XP(c)
- Refutation
- S(h);XS(H)
- Try
- P(K);
- Threat
- DUALS(3)
- Refutation
- S(h);
- Try
- P(K);
- Threat
- DUALS(3)
- Refutation
- S(h);
- Try
- Actual
- R(D);XP(c)
- Threat
- QAB(C)+R(D),DCHECK
- Vars
- K(d);P-FLIGHT,XS(F)::R1(D)
- Q(a);N_GUARD,XB(A)::QAB(C)+R(D)
- S(h);SBLOCK,XS(H)::R1(I)
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