MESON Chess Problem Database
Problem Display
PID: 21137 (6Bn/2B2r2/2P3p1/5pR1/1N1p2P1/K1k5/PR1N4/n7 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Chess Amateur (The), 1917
#2
10 + 7
| 81 | Chess | 1953 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sb1#
- 1...Rxc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sc2+
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- 1...d3
- 2.Be5#
- 1...fxg4
- 2.Rc5#
- 1...f4
- 2.Rc5#
- 1...Rf6
- Tries
- 1.Se4+?
- 1...fxe4
- 2.Rc5#
- 1...Kc4!
- 1...fxe4
- 1.Bh2?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...f4
- 2.Rc5#
- 1...Ra7+!
- 1...Sc2+
- 1.Bg3?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...f4
- 2.Rc5#
- 1...Ra7+!
- 1...Sc2+
- 1.Bf4?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 2.Rxb3#
- 1...Ra7+!
- 1...Sc2+
- 1.Bb6?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...d3
- 2.Sd5#
- 1...f4
- 2.Rc5#
- 1...Ra7+!
- 1...Sc2+
- 1.Bd6?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...f4
- 2.Rc5#
- 1...Ra7+!
- 1...Sc2+
- 1.Bb8?
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...f4
- 2.Rc5#
- 1...Ra7+!
- 1...Sc2+
- 1.Bxf7?
- threat
- 2.Sb1#
- 1...Sc2+
- 2.Rxc2#
- 1...d3
- 2.Be5#
- 1...Sxf7!
- threat
- 1.Rxf5?
- threat
- 2.Rc5#
- 1...Sc2+
- 2.Rxc2#
- 1...Rxf5
- 2.Sb1#
- 2.Se4#
- 1...d3
- 2.Be5#
- 1...Sb3
- 2.Rc2#
- 1...gxf5!
- threat
- 1.gxf5?
- 1...Sc2+
- 2.Rxc2#
- 1...Rxf5
- 2.Sb1#
- 2.Se4#
- 1...Rxc7
- 2.Sb1#
- 2.Se4#
- 1...d3
- 2.Be5#
- 1...Rf6
- 2.Sb1#
- 2.Se4#
- 1...Rd7
- 2.Sb1#
- 2.Se4#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 2.Se4#
- 1...Rh7
- 2.Sb1#
- 2.Se4#
- 1...Rf8
- 2.Sb1#
- 2.Se4#
- 1...Sb3
- 2.Rc2#
- 1...gxf5!
- 1...Sc2+
- 1.Se4+?
- Keys
- 1.Ba5!
- 1...Sc2+
- 2.Rxc2#
- 1...fxg4
- 2.Rc5#
- 1...d3
- 2.Sc2#
- 1...Rf6
- 2.Sb1#
- 1...Ra7
- 2.Sb1#
- 1...Rb7
- 2.Sb1#
- 1...Rc7
- 2.Sb1#
- 1...Rd7
- 2.Sb1#
- 1...Re7
- 2.Sb1#
- 1...Rg7
- 2.Sb1#
- 1...Rh7
- 2.Sb1#
- 1...Rf8
- 2.Sb1#
- 1...Sb3
- 2.Rc2#
- 1...f4
- 2.Rc5#
- 1...Sc2+
- 1.Ba5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);::S(C)
- R(f);XB(I)::S(C)
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- S(a);N_GUARD::R1(B)
- P(c);OGATEB::B(I)
- P(d);OGATE,XP(F)::R(G)
- P(d);OGATE::R(G)
- Tries
- Try
- S(C);CHECK
- Vars
- P(d);OGATE,XS(C)::R(G)
- Refutation
- K(b);P-FLIGHT,P_SPINR(f)
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- P(d);OGATE::R(G)
- Refutation
- R(f);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- P(d);OGATE::R(G)
- Refutation
- R(f);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- Refutation
- R(f);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- P(c);SBLOCK::S(E)
- P(d);OGATE::R(G)
- Refutation
- R(f);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- P(d);OGATE::R(G)
- Refutation
- R(f);CHECK
- Try
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- P(d);OGATE::R(G)
- Refutation
- R(f);CHECK
- Try
- B(J);XR(f)
- Threat
- S(C)
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(c);OGATEB::B(I)
- Refutation
- S(g);XB(J)
- Try
- R(G);XP(d)
- Threat
- R(G)
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(c);OGATEB::B(I)
- S(a);N_GUARD::R1(B)
- Refutation
- P(e);XR(G)
- Try
- P(F);XP(d)
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(c);OGATEB::B(I)
- R(f);::S(C)
- S(a);N_GUARD::R1(B)
- Refutation
- P(e);XP(F)
- Try
- Actual
- B(I);
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- P(d);OGATE,XP(F)::R(G)
- P(c);SBLOCK::B(I)+S(E)
- R(f);::S(C)
- R(f);P_PINB(I)::S(C)
- S(a);N_GUARD::R1(B)
- P(d);OGATE::R(G)
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