MESON Chess Problem Database
Problem Display
PID: 10423 (Q1b5/1r1Np3/1Bkb4/4P3/K1p5/2P2R2/6R1/7B w - - 0 1)
Mansfield, Comins
5th Comm., Probleemblad, 1964
#2
9 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Tries
- 1.Rb2?
- 1...Kd5
- 2.Rf6#
- 1...Bxe5
- 2.Rd3#
- 1...Bxd7
- 2.Rf1#
- 2.Rff2#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rh3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Ba3
- 2.Rd3#
- 1...Bb4
- 2.Rd3#
- 1...Bc5
- 2.Rd3#
- 1...Bc7
- 2.Rd3#
- 1...Bb8
- 2.Rd3#
- 1...e6
- 2.Rf7#
- 1...Kxd7!
- 1...Kd5
- 1.Rg8?
- 1...Kd5
- 2.Rf6#
- 1...Kxd7
- 2.Qxc8#
- 1...Bxe5
- 2.Rd3#
- 1...Ba3
- 2.Rd3#
- 1...Bb4
- 2.Rd3#
- 1...Bc5
- 2.Rd3#
- 1...Bc7
- 2.Rd3#
- 1...Bb8
- 2.Rd3#
- 1...e6
- 2.Rf7#
- 1...Bxd7!
- 1...Kd5
- 1.Rf1?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Re3?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Rh3?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Rf4?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Rf5?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Rf6?
- 1...Kd5
- 2.Rg1#
- 2.Ra2#
- 2.Rb2#
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rgf2#
- 2.Rh2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Bxd7
- 2.Rb2#
- 1...exf6
- 2.Rg7#
- 1...e6
- 2.Rg7#
- 1...Kxd7!
- 1...Kd5
- 1.Rf7?
- 1...Kd5
- 2.Rg6#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg1#
- 2.Ra2#
- 2.Rb2#
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rgf2#
- 2.Rh2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rgg7#
- 2.Rg8#
- 1...Kxd7!
- 1...Kd5
- 1.Rb2?
- Keys
- 1.Rf8!
- 1...Kd5
- 2.Rg6#
- 1...Kxd7
- 2.Qxc8#
- 1...Bxe5
- 2.Rd2#
- 1...Bxd7
- 2.Rb2#
- 1...Ba3
- 2.Rd2#
- 1...Bb4
- 2.Rd2#
- 1...Bc5
- 2.Rd2#
- 1...Bc7
- 2.Rd2#
- 1...Bb8
- 2.Rd2#
- 1...e6
- 2.Rg7#
- 1...Kd5
- 1.Rf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Vars
- K(b);S_FLIGHT::B(A)+R(D)
- B(c);XP(F)::B(A)+R(D)
- B(c);::B(A)+R(D)
- P(e);::B(A)+R(D)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(B);
- Vars
- K(b);S_FLIGHT::B(A)+R(D)
- K(b);N_SPINR(d),S_FLIGHT,XS(H)::QAB1(I),XB(f)
- B(c);XP(F)::B(A)+R(D)
- B(c);::B(A)+R(D)
- P(e);::B(A)+R(D)
- Refutation
- B(f);XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);P_PINB(c)
- Vars
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- P(e);N_SPINB(c),XR(D)::B(A)+R(B)
- P(e);N_SPINB(c)::B(A)+R(B)
- Refutation
- K(b);N_SPINB(c),N_SPINR(d),S_FLIGHT,XS(H)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- Refutation
- K(b);N_SPINR(d),P_SPINP(e),S_FLIGHT,XS(H)
- Try
- Actual
- R(D);
- Vars
- K(b);S_FLIGHT::B(A)+R(B)
- K(b);N_SPINR(d),S_FLIGHT,XS(H)::QAB1(I),XB(f)
- B(c);XP(F)::B(A)+R(B)
- B(f);SBLOCK,XS(H)::B(A)+R(B)
- B(c);::B(A)+R(B)
- P(e);::B(A)+R(B)
Developed and maintained by Brian Stephenson.
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