MESON Chess Problem Database
Problem Display
PID: 271977 (2Kn2Q1/1p2pr2/1PRp4/1B1kBR2/1P6/6N1/3N4/8 w - - 0 1)
Goulty, Allison Howard
The Problemist, 1957
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 1...Se6
- 2.Bf6#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...e6
- 2.Rxd6#
- 1...Ke6
- Tries
- 1.Kxd8?
- 1...Ke6
- 2.Bc4#
- 2.Qxf7#
- 1...bxc6
- 2.Bc4#
- 1...e6
- 2.Rxd6#
- 1...dxe5!
- 1...Ke6
- 1.Sgf1?
- 1...Sxc6
- 2.Bc4#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...Se6
- 2.Se3#
- 2.Bf6#
- 2.Qg2#
- 1...e6
- 2.Se3#
- 2.Rxd6#
- 2.Qg2#
- 1...Ke6!
- 1...Sxc6
- 1.Sh1?
- 1...Sxc6
- 2.Bc4#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...Se6
- 2.Bf6#
- 2.Qg2#
- 1...e6
- 2.Rxd6#
- 2.Qg2#
- 1...Ke6!
- 1...Sxc6
- 1.Se2?
- threat
- 2.Sf4#
- 1...dxe5
- 2.Qg2#
- 2.Qxd8#
- 1...Se6
- 2.Sc3#
- 2.Bf6#
- 2.Qg2#
- 1...Ke6!
- threat
- 1.Sge4?
- 1...Sxc6
- 2.Bc4#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...Se6
- 2.Sc3#
- 2.Bf6#
- 1...e6
- 2.Sc3#
- 2.Rxd6#
- 1...Ke6!
- 1...Sxc6
- 1.Sh5?
- threat
- 2.Sf4#
- 1...dxe5
- 2.Qxd8#
- 1...Se6
- 2.Bf6#
- 2.Qg2#
- 1...Ke6!
- threat
- 1.Ba1+?
- 1...Ke6
- 2.Bc4#
- 1...e5!
- 1...Ke6
- 1.Bb2+?
- 1...Ke6
- 2.Bc4#
- 1...e5!
- 1...Ke6
- 1.Bc3+?
- 1...Ke6
- 2.Bc4#
- 1...e5!
- 1...Ke6
- 1.Bf4+?
- 1...Kd4
- 2.Sb3#
- 2.Sf3#
- 2.Se2#
- 1...Ke6
- 2.Bc4#
- 1...e5!
- 1...Kd4
- 1.Bf6+?
- 1...Ke6
- 2.Bc4#
- 1...e5!
- 1...Ke6
- 1.Bg7+?
- 1...Ke6
- 2.Bc4#
- 2.Re5#
- 1...e5!
- 1...Ke6
- 1.Bh8+?
- 1...Ke6
- 2.Bc4#
- 2.Re5#
- 1...e5!
- 1...Ke6
- 1.Rg5?
- 1...Ke6
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...e6
- 2.Rxd6#
- 1...Se6!
- 1...Ke6
- 1.Rh5?
- 1...Ke6
- 2.Bc4#
- 1...Sxc6
- 2.Bc4#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bc4#
- 1...e6
- 2.Rxd6#
- 1...Se6!
- 1...Ke6
- 1.Rc5+?
- 1...Ke6
- 2.Bd7#
- 1...dxc5!
- 1...Ke6
- 1.Qxf7+?
- 1...Se6
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...e6
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Rxd6#
- 1...Sxf7!
- 1...Se6
- 1.Qg4?
- threat
- 2.Qc4#
- 1...Ke6
- 2.Bc4#
- 2.Qc4#
- 1...Rxf5!
- threat
- 1.Qe8?
- threat
- 2.Bc4#
- 1...Ke6
- 2.Bc4#
- 2.Rxd6#
- 1...dxe5
- 2.Qd7#
- 2.Qxd8#
- 1...Rxf5!
- threat
- 1.Kxd8?
- Keys
- 1.Ba4!
- 1...Ke6
- 2.Bb3#
- 1...Sxc6
- 2.Bb3#
- 1...dxe5
- 2.Qxd8#
- 1...bxc6
- 2.Bb3#
- 1...Se6
- 2.Bf6#
- 1...e6
- 2.Rxd6#
- 1...Ke6
- 1.Ba4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- S(f);SBLOCK,XR(H)::B(D)
- S(f);N_SPINR(e),SBLOCK,S_CUTP(d)::R(F)+B(E)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- P(d);N_GUARD,N_SPINR(e)::R1(H),XP(b)
- Tries
- Try
- K(I);P-FLIGHT,XS(f)
- Vars
- P(c);SBLOCK,XR(H)::B(D)
- P(d);N_GUARD,N_SPINR(e)::R1(H),XP(b)
- Refutation
- P(b);P_SPINP(b),XB(E)
- Try
- S(B);
- Vars
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(B);
- Vars
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(B);
- Threat
- S(B)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(B);
- Vars
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- S(B);
- Threat
- S(B)
- Vars
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- B(E);CHECK
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- B(E);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- R(F);
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- P(d);N_GUARD,N_SPINR(e)::R1(H),XP(b)
- Refutation
- S(f);N_SPINR(e)
- Try
- R(F);
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- P(d);N_GUARD,N_SPINR(e)::R1(H),XP(b)
- Refutation
- S(f);N_SPINR(e)
- Try
- R(H);CHECK
- Vars
- K(a);S_CUTP(b),S_FLIGHT::B(D)
- Refutation
- P(b);XR(H)
- Try
- Q(J);CHECK,XR(e)
- Refutation
- S(f);XQ(J)
- Try
- Q(J);N_PINR(e)
- Threat
- QAB1(J)
- Refutation
- R(e);XR(F)
- Try
- Q(J);N_PINR(e)
- Threat
- B(D)
- Refutation
- R(e);XR(F)
- Try
- Actual
- B(D);
- Vars
- K(a);N_GUARD,P_SPINP(b),S_FLIGHT::B(D)
- S(f);SBLOCK,XR(H)::B(D)
- P(b);OGATEB,P_SPINP(b),XB(E)::QAR(J),XS(f)
- P(c);SBLOCK,XR(H)::B(D)
- S(f);N_SPINR(e),SBLOCK,S_CUTP(d)::R(F)+B(E)
- P(d);N_GUARD,N_SPINR(e)::R1(H),XP(b)
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