MESON Chess Problem Database
Problem Display
PID: 375 (6QB/5r1n/5r2/R3nkp1/3R3P/2P5/BP6/K7 w - - 0 1)
Mansfield, Comins
The Observer, 1936
#2
9 + 6
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bb1#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Rd7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rg7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...gxh4
- 2.Qg4#
- 1...g4
- 2.Qxg4#
- 1...Ra6
- Tries
- 1.Bb3?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bc2#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bc2#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bc2#
- 1...Rb7
- 2.Bc2#
- 1...Rc7
- 2.Bc2#
- 1...Rd7
- 2.Bc2#
- 1...Re7
- 2.Bc2#
- 1...Rf8
- 2.Bc2#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Ra6!
- 1...gxh4
- 1.Bc4?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bd3#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bd3#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bd3#
- 1...Rb7
- 2.Bd3#
- 1...Rc7
- 2.Bd3#
- 1...Rd7
- 2.Bd3#
- 1...Re7
- 2.Bd3#
- 1...Rf8
- 2.Bd3#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Ra6!
- 1...gxh4
- 1.Bxf7?
- 1...Rxf7
- 2.Rxe5#
- 1...gxh4
- 2.Qg4#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bxe6#
- 1...Rg6
- 2.Bxg6#
- 2.Rxe5#
- 2.Qxg6#
- 1...Rh6
- 2.Rxe5#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Ra6!
- 1...Rxf7
- 1.Rda4?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bb1#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Rd7!
- 1...gxh4
- 1.Rb4?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bb1#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Rd7!
- 1...gxh4
- 1.Rb5?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Rd7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Ra7!
- 1...gxh4
- 1.Rc5?
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Rd7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...Ra7!
- 1...gxh4
- 1.Qxh7+?
- 1...Rg6
- 2.Rxe5#
- 1...Rxh7!
- 1...Rg6
- 1.Qg6+?
- 1...Rxg6
- 2.Rxe5#
- 1...Kxg6!
- 1...Rxg6
- 1.h5?
- 1...Rd7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 2.Qxg6#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bb1#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rg7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...g4
- 2.Qxg4#
- 1...Sf8!
- 1...Rd7
- 1.Bb3?
- Keys
- 1.b4!
- 1...gxh4
- 2.Qg4#
- 1...Rg7
- 2.Bb1#
- 1...Rd7
- 2.Bb1#
- 1...Ra6
- 2.Rxe5#
- 1...Rb6
- 2.Rxe5#
- 1...Rc6
- 2.Rxe5#
- 1...Rd6
- 2.Rxe5#
- 1...Re6
- 2.Bb1#
- 1...Rg6
- 2.Rxe5#
- 1...Rh6
- 2.Rxe5#
- 1...Ra7
- 2.Bb1#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 1...Re7
- 2.Bb1#
- 1...Rf8
- 2.Bb1#
- 1...Sf8
- 2.Qxg5#
- 1...g4
- 2.Qxg4#
- 1...gxh4
- 1.b4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- R(e);::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE,XP(F)::QAB1(H)
- P(c);OGATE::QAB1(H),XP(c)
- Tries
- Try
- B(B);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- R(e);P_PINR(G)::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(d);P_PINR(G)
- Try
- B(B);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- R(e);P_PINR(G)::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(d);P_PINR(G)
- Try
- B(B);XR(e)
- Vars
- R(d);XB(B)::R1(G),XS(a)
- P(c);OGATE,XP(F)::QAB1(H)
- R(d);::R1(G),XS(a)
- R(d);N_GUARD::B(B),XR(d)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(d);P_PINR(G)
- Try
- R(E);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(e);
- Try
- R(E);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);P_PINB(B)::R1(G),XS(a)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(e);P_PINB(B)
- Try
- R(G);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);P_PINB(B)::R1(G),XS(a)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- R(e);P_PINB(B)
- Try
- Q(H);CHECK,XS(f)
- Vars
- R(d);P_SPINR(d)::R1(G),XS(a)
- Refutation
- R(e);XQ(H)
- Try
- Q(H);CHECK
- Vars
- R(d);SBLOCK,XQ(H)::R1(G),XS(a)
- Refutation
- K(b);N_SPINS(a),S_FLIGHT,XQ(H)
- Try
- P(F);
- Vars
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- P(c);OGATE::QAB1(H),XP(c)
- Refutation
- S(f);
- Try
- Actual
- P(C);
- Vars
- P(c);OGATE,XP(F)::QAB1(H)
- R(e);::B(B)
- R(d);::R1(G),XS(a)
- R(d);SBLOCK::B(B)
- S(f);N_GUARD::QAR1(H),XP(c)
- P(c);OGATE::QAB1(H),XP(c)
Developed and maintained by Brian Stephenson.
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