MESON Chess Problem Database
Problem Display
PID: 54670 (5bQ1/5RN1/3Pr3/3kN2R/1B1pr3/K5p1/5pB1/8 w - - 0 1)
Mansfield, Comins
Sahovski Glasnik, 1971
#2
9 + 7
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Rc7#
- 1...Rxd6
- 2.Rd7#
- 1...Rf6
- 2.Rxf6#
- 1...Rg6
- 2.Rf6#
- 1...Rh6
- 2.Rf6#
- 1...Re7
- 2.Rxe7#
- 1...Re8
- 2.Re7#
- 1...Bxd6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bxg7
- 2.Qa8#
- 1...Rxe5
- Tries
- 1.Sd3+?
- 1...Kc4
- 2.Sb2#
- 1...Re5
- 2.Rc7#
- 1...Kc6!
- 1...Kc4
- 1.Sc4+?
- 1...Kc6
- 2.Rc5#
- 2.Rc7#
- 1...Re5
- 2.Rc7#
- 1...Kxc4!
- 1...Kc6
- 1.Sxe6?
- threat
- 2.Sf4#
- 2.Sc7#
- 1...Kxe6
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rff5#
- 2.Rxf8#
- 1...Bxd6
- 2.Sf4#
- 1...f1Q
- 2.Sc7#
- 1...f1R
- 2.Sc7#
- 1...Bh6
- 2.Sc7#
- 1...d3!
- threat
- 1.Rxf2?
- threat
- 2.Qxe6#
- 1...Bxg7
- 2.Qa8#
- 1...d3!
- threat
- 1.Rf4?
- threat
- 2.Bxe4#
- 2.Qxe6#
- 1...Bxg7
- 2.Bxe4#
- 2.Qa8#
- 1...d3!
- threat
- 1.Rff5?
- threat
- 2.Qxe6#
- 1...Bxg7
- 2.Qa8#
- 1...d3!
- threat
- 1.Ra7?
- threat
- 2.Ra5#
- 2.Qxe6#
- 1...Bxd6
- 2.Qxe6#
- 2.Qa8#
- 1...Bxg7
- 2.Ra5#
- 2.Qa8#
- 1...f1Q
- 2.Qxe6#
- 1...f1B
- 2.Qxe6#
- 1...d3!
- threat
- 1.Rb7?
- threat
- 2.Rb5#
- 2.Qxe6#
- 1...Bxd6
- 2.Qxe6#
- 1...Bxg7
- 2.Rb5#
- 1...f1Q
- 2.Qxe6#
- 1...f1B
- 2.Qxe6#
- 1...d3!
- threat
- 1.Rc7?
- threat
- 2.Sd3#
- 2.Sc4#
- 2.Sg4#
- 2.Sg6#
- 2.Sd7#
- 2.Qxe6#
- 1...Bxd6
- 2.Qxe6#
- 2.Qa8#
- 1...Bxg7
- 2.Qa8#
- 1...f1Q
- 2.Qxe6#
- 1...f1R
- 2.Qxe6#
- 1...Be7
- 2.Qxe6#
- 2.Qa8#
- 1...d3!
- threat
- 1.Rd7?
- threat
- 2.Qxe6#
- 1...Bxg7
- 2.Qa8#
- 1...d3!
- threat
- 1.Sd3+?
- Keys
- 1.Rf3!
- threat
- 2.Qxe6#
- 1...Re3+
- 2.Rxe3#
- 1...Rxe5
- 2.Rc3#
- 1...Bxg7
- 2.Qa8#
- 1...Re1
- 2.Re3#
- 1...Re2
- 2.Re3#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...d3
- 2.Rxd3#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 9
- Sets
- R(f);OGATEB,XS(D)::QAB(I)+R(G)
- R(f);OGATEB,XP(F)::QAB(I)+R(G)
- R(f);OGATEB::QAB(I)+R(G),XR(f)
- R(f);OGATEB::QAB(I)+R(G)
- B(g);OGATE,P_PINB(C),XP(F)::QAB(I)
- B(g);OGATE::QAB(I)
- B(g);OGATE,XS(H)::QAB(I)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);N_SPINR(d),S_FLIGHT::S(D)
- R(f);::QAB(I)+R(G)
- Refutation
- K(e);S_FLIGHT
- Try
- S(D);CHECK
- Vars
- R(f);::QAB(I)+R(G)
- Refutation
- K(e);N_SPINR(d),S_FLIGHT,XS(D)
- Try
- S(H);XR(f)
- Threat
- DUALS(2)
- Vars
- B(g);P_PINB(C),XP(F)::S(H)
- P(a);::S(H)
- B(g);::S(H)
- Refutation
- P(c);
- Try
- R(G);XP(a)
- Threat
- QAB1(I),XR(f)
- Vars
- B(g);OGATE,XS(H)::QAB(I)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- QAB1(I),XR(f)
- Vars
- B(g);OGATE,XS(H)::QAB(I)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- P(a);::QAB1(I),XR(f)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(g);P_PINB(C),XP(F)::QAB1(I),XR(f)
- B(g);XS(H)::R(G)
- P(a);::QAB1(I),XR(f)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- DUALS(6)
- Vars
- B(g);OGATE,XS(H)::QAB(I)
- P(a);::QAB1(I),XR(f)
- Refutation
- P(c);
- Try
- R(G);
- Threat
- QAB1(I),XR(f)
- Vars
- B(g);OGATE,XS(H)::QAB(I)
- Refutation
- P(c);
- Try
- Actual
- R(G);N_PINR(d),P_PINR(f)
- Threat
- QAB1(I),XR(f)
- Vars
- R(d);CHECK,OGATEB::B(A)+R(G),XR(d)
- R(d);N_SPINR(f),OGATEB,P_SPINR(d),XS(D)::B(A)+R(G)
- B(g);OGATE,XS(H)::QAB(I)
- R(d);OGATEB::B(A)+R(G)
- R(d);OGATEB::B(A)+R(G),XR(d)
- P(c);OGATEB::R(G),XP(c)
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