MESON Chess Problem Database
Problem Display
PID: 206270 (N3R1n1/Q2Nr3/3pkPB1/1R6/8/8/8/4K3 w - - 0 1)
Fuhrman, Karl
Schackvarlden, 1925
#2
8 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxf6
- 2.Sf8#
- 1...Sh6
- 2.Rxe7#
- 1...d5
- 2.Rb6#
- 1...Sxf6
- Tries
- 1.Kd1?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Kf1?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Kd2?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Ke2?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Kf2?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Ra5?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Ra6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Rd8?
- threat
- 2.Sc7#
- 2.Qe3#
- 1...Sxf6
- 2.Sf8#
- 2.Sc7#
- 1...d5
- 2.Rb6#
- 2.Qb6#
- 2.Qa6#
- 1...Rxd7!
- threat
- 1.Rf8?
- threat
- 2.Bf5#
- 1...d5
- 2.Rb6#
- 1...Sh6!
- threat
- 1.Qd4?
- threat
- 2.Sf8#
- 2.Qg4#
- 1...Rxe8
- 2.Qg4#
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Qxd5#
- 1...Sh6
- 2.Sf8#
- 2.Rxe7#
- 1...Kxd7+!
- threat
- 1.Qa2+?
- 1...d5
- 2.Qxd5#
- 1...Kxd7+!
- 1...d5
- 1.Qb7?
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 2.Qxd5#
- 2.Qc6#
- 1...Sh6
- 2.Rxe7#
- 1...Rxe8!
- 1...Sxf6
- 1.Qc7?
- 1...Sxf6
- 2.Sf8#
- 1...Sh6
- 2.Rxe7#
- 1...d5
- 2.Rb6#
- 2.Qc6#
- 1...Rxe8!
- 1...Sxf6
- 1.f7?
- threat
- 2.fxg8Q#
- 2.fxg8B#
- 2.f8S#
- 1...d5
- 2.Rb6#
- 1...Sf6
- 2.Sf8#
- 2.f8S#
- 1...Sh6
- 2.f8S#
- 1...Rxe8!
- threat
- 1.Kd1?
- Keys
- 1.Qa4!
- threat
- 2.Qg4#
- 1...Kxd7+
- 2.Re5#
- 1...Sxf6
- 2.Sf8#
- 1...d5
- 2.Rb6#
- 1...Sh6
- 2.Rxe7#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);SBLOCK,XP(C)::S(F)
- S(d);N_GUARD::R1(H),XR(c)
- P(a);OGATEB,SBLOCK::R(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- K(A);P-FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- K(A);S_FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- K(A);P-FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- K(A);S_FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- R(B);
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- R(H);N_PINR(c)
- Threat
- DUALS(2)
- Refutation
- R(c);XS(F)
- Try
- R(H);N_PINR(c)
- Threat
- B(D)
- Vars
- P(a);OGATEB,SBLOCK::R(B)
- Refutation
- S(d);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINR(c),XR(H)::QAB(E)
- S(d);XP(C)::S(F)
- P(a);::QAB1(E),XP(a)
- Refutation
- K(b);CHECK,N_SPINR(c),P_SPINP(a),S_FLIGHT,XS(F)
- Try
- Q(E);CHECK
- Vars
- P(a);P_SPINP(a)::QAB1(E),XP(a)
- Refutation
- K(b);CHECK,N_SPINR(c),S_FLIGHT,XS(F)
- Try
- Q(E);
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- Q(E);
- Vars
- S(d);SBLOCK,XP(C)::S(F)
- S(d);N_GUARD::R1(H),XR(c)
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- P(C);
- Threat
- DUALS(3)
- Vars
- P(a);OGATEB,SBLOCK::R(B)
- S(d);::P=S
- Refutation
- R(c);N_SPINR(c),XR(H)
- Try
- Actual
- Q(E);
- Threat
- QAB(E)
- Vars
- K(b);CHECK,N_SPINR(c),S_FLIGHT,XS(F)::QAB(E)+R(B)
- S(d);SBLOCK,XP(C)::S(F)
- P(a);OGATEB,SBLOCK::R(B)
- S(d);N_GUARD::R1(H),XR(c)
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