MESON Chess Problem Database
Problem Display
PID: 55457 (8/K2P1Prp/R1N3kP/3P2Pp/1p5P/4B3/2N2p2/1B2QRb1 w - - 0 1)
Mansfield, Comins
1st HM., Schach-Echo, 1975
#2
14 + 7
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rxf7
- 2.Se7#
- 1...fxe1Q
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1B
- 2.Sa1#
- 2.Sxe1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1R
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...Rxf7
- Tries
- 1.Bd4?
- threat
- 2.Qe6#
- 1...Kxf7
- 2.Qe8#
- 1...Rxf7
- 2.Se7#
- 1...fxe1Q
- 2.Sxe1#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 2.f8S#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1B
- 2.Sa1#
- 2.Sxe1#
- 2.Sa3#
- 2.Se3#
- 2.S2xb4#
- 2.S6xb4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1R
- 2.Sxe1#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 2.f8S#
- 1...Kf5!
- threat
- 1.Bc5?
- threat
- 2.Qe6#
- 1...Kxf7
- 2.Qe6#
- 2.Qe8#
- 1...Rxf7
- 2.Se7#
- 1...fxe1Q
- 2.Sxe1#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 2.f8S#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1B
- 2.Sa1#
- 2.Sxe1#
- 2.Sa3#
- 2.Se3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...fxe1R
- 2.Sxe1#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 2.f8S#
- 1...Kf5!
- threat
- 1.Rxf2?
- threat
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...Rxf7
- 2.Se5#
- 2.Se7#
- 1...Rg8
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.fxg8Q#
- 2.fxg8R#
- 1...Bh2
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 2.f8S#
- 1...b3
- 2.Sa1#
- 2.Sa3#
- 2.S2b4#
- 2.S2d4#
- 2.S6b4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.f8S#
- 1...Bxf2!
- threat
- 1.Qxf2?
- threat
- 2.Sa1#
- 2.Se1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qf5#
- 2.Qf6#
- 2.f8S#
- 1...Rxf7
- 2.Se5#
- 2.Se7#
- 2.Qxf7#
- 1...Rg8
- 2.Sa1#
- 2.Se1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qf5#
- 2.Qf6#
- 2.fxg8Q#
- 2.fxg8R#
- 1...Bh2
- 2.Sa1#
- 2.Se1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.Se5#
- 2.Se7#
- 2.Qf5#
- 2.Qf6#
- 2.f8S#
- 1...b3
- 2.Sa1#
- 2.Se1#
- 2.Sa3#
- 2.S2b4#
- 2.S2d4#
- 2.S6b4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qf5#
- 2.Qf6#
- 2.f8S#
- 1...Bxf2!
- threat
- 1.d8Q?
- threat
- 2.Qf6#
- 1...Rxf7+
- 2.Se7#
- 1...Kxf7
- 2.Se5#
- 1...Kf5!
- threat
- 1.d8S?
- threat
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6d4#
- 2.Se7#
- 1...Rxf7+
- 2.Se7#
- 1...fxe1Q
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Rf6#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Rf6#
- 1...fxe1R
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Rf6#
- 1...Bh2
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.Se7#
- 1...b3
- 2.Sa1#
- 2.Sa3#
- 2.S2b4#
- 2.S2d4#
- 2.S6d4#
- 2.Se7#
- 1...Kf5!
- threat
- 1.f8Q?
- threat
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qf6#
- 1...fxe1Q
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.Qd6#
- 2.Qxg7#
- 2.Qf5#
- 2.Qf6#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.Qd6#
- 2.Qxg7#
- 2.Qf5#
- 2.Qf6#
- 1...fxe1R
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 2.Qd6#
- 2.Qxg7#
- 2.Qf5#
- 2.Qf6#
- 1...Rf7
- 2.Se7#
- 1...Re7
- 2.Se5#
- 2.Sxe7#
- 2.Qf6#
- 1...Bh2
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.Se5#
- 2.Se7#
- 2.Qf6#
- 1...b3
- 2.Sa1#
- 2.Sa3#
- 2.S2b4#
- 2.S2d4#
- 2.S6b4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qf6#
- 1...Rxd7+!
- threat
- 1.f8R?
- threat
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 1...fxe1Q
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.R1f6#
- 2.R8f6#
- 1...fxe1S
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.R1f6#
- 2.R8f6#
- 1...fxe1R
- 2.Sxe1#
- 2.S6xb4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.R1f6#
- 2.R8f6#
- 1...Rf7
- 2.Se7#
- 1...Re7
- 2.Se5#
- 2.Sxe7#
- 2.Rf6#
- 1...Bh2
- 2.Sa1#
- 2.Sa3#
- 2.S2xb4#
- 2.S2d4#
- 2.Se5#
- 2.Se7#
- 2.Rf6#
- 1...b3
- 2.Sa1#
- 2.Sa3#
- 2.S2b4#
- 2.S2d4#
- 2.S6b4#
- 2.S6d4#
- 2.Sa5#
- 2.Se5#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rf6#
- 1...Rxd7+!
- threat
- 1.Bd4?
- Keys
- 1.Bc1!
- threat
- 2.Qe6#
- 1...fxe1Q+
- 2.Se3#
- 1...fxe1S+
- 2.S6d4#
- 1...fxe1B+
- 2.Se3#
- 2.S2d4#
- 2.S6d4#
- 1...fxe1R+
- 2.Se3#
- 1...Kf5
- 2.Qe6#
- 1...Kxf7
- 2.Qe8#
- 1...Rxf7
- 2.Se7#
- threat
- 1.Bc1!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(f);P_PINP(M),SBLOCK,XP(N)::R(I)+S(J),DCHECK
- Tries
- Try
- B(E);
- Threat
- QAR2(B)
- Vars
- K(e);OGATEB,P_SPINP(b),S_FLIGHT,XP(N)::QAB1(B)
- R(f);P_PINP(M),SBLOCK,XP(N)::R(I)+S(J),DCHECK
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- B(E);
- Threat
- QAR2(B)
- Vars
- R(f);P_PINP(M),SBLOCK,XP(N)::R(I)+S(J),DCHECK
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- R(C);XP(b)
- Threat
- DUALS(13)
- Refutation
- B(a);P_PINB(E),XR(C)
- Try
- Q(B);XP(b)
- Threat
- DUALS(15)
- Refutation
- B(a);P_PINB(E),XQ(B)
- Try
- P(M);P_SPINP(N)
- Threat
- QAR1(M)
- Vars
- R(f);CHECK,SBLOCK,XP(N)::R(I)+S(J),DCHECK
- K(e);P_SPINP(b),S_FLIGHT,XP(N)::S(J)
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- P(M);P_SPINP(N)
- Threat
- DUALS(6)
- Vars
- R(f);CHECK,XP(N)::R(I)+S(J),DCHECK
- Refutation
- K(e);P_SPINP(b),S_FLIGHT
- Try
- P(N);P_SPINP(M)
- Threat
- DUALS(12)
- Vars
- R(f);::R(I)+S(J),DCHECK
- Refutation
- R(f);CHECK,XP(M)
- Try
- P(N);P_SPINP(M)
- Threat
- DUALS(12)
- Vars
- R(f);::R(I)+S(J),DCHECK
- Refutation
- R(f);CHECK,XP(M)
- Try
- Actual
- B(E);
- Threat
- QAR2(B)
- Vars
- P(b);CHECK,XQ(B)::B(A)+S(D)
- P(b);CHECK,XQ(B)::R(I)+S(J)
- K(e);P_SPINP(b),S_FLIGHT::QAB1(B)
- K(e);OGATEB,P_SPINP(b),S_FLIGHT,XP(N)::QAB1(B)
- R(f);P_PINP(M),SBLOCK,XP(N)::R(I)+S(J),DCHECK
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).