MESON Chess Problem Database
Problem Display
PID: 229363 (5B2/2K1nPR1/B7/4Pp1R/2Pk1N2/2p2Q2/2n2P2/8 w - - 0 1)
Legge, Robin H
The Field, 1896
(First published on Sat Dec 12 1896)
#2
11 + 5
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sd5+
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sa1
- Tries
- 1.Kd6?
- threat
- 2.Se2#
- 2.Se6#
- 2.Qd3#
- 1...Se1
- 2.Se2#
- 2.Se6#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 2.fxe3#
- 1...Sb4
- 2.Se2#
- 2.Se6#
- 2.Qe3#
- 1...Sc8+!
- threat
- 1.Se2+?
- 1...Kc5
- 2.Bxe7#
- 1...Kxe5!
- 1...Kc5
- 1.Sd3?
- 1...Sd5+
- 2.Qxd5#
- 1...Se3
- 2.Qxe3#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Bc5#
- 2.Qd5#
- 1...Sg6
- 2.Bc5#
- 2.Qd5#
- 1...Sc8
- 2.Bc5#
- 2.Qd5#
- 1...Sg8
- 2.Bc5#
- 2.Qd5#
- 1...f4!
- 1...Sd5+
- 1.Bxe7?
- threat
- 2.Qd5#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Kxe5!
- threat
- 1.Rh4?
- 1...Sd5+
- 2.Qxd5#
- 1...Kc5
- 2.Sd3#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kxe5!
- 1...Sd5+
- 1.Rxf5?
- threat
- 2.Se6#
- 1...Sd5+
- 2.Qxd5#
- 1...Sxf5
- 2.Qd5#
- 1...Se3
- 2.Qxe3#
- 1...Kc5!
- threat
- 1.Rg1?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rg2?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rg3?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rgg5?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rg6?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sxg6
- 2.Qd5#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rgh7?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Rg8?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxe5
- 2.Bg7#
- 1...Sxg8
- 2.Qd5#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Kc5!
- 1...Sd5+
- 1.Qd3+?
- 1...Kc5
- 2.Bxe7#
- 2.Qd6#
- 1...Kxe5!
- 1...Kc5
- 1.c5?
- 1...Sd5+
- 2.Qxd5#
- 1...Kxc5
- 2.Qxc3#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kxe5!
- 1...Sd5+
- 1.Kd6?
- Keys
- 1.Rg4!
- 1...Sd5+
- 2.Qxd5#
- 1...Kc5
- 2.Sd3#
- 1...Kxe5
- 2.Bg7#
- 1...fxg4
- 2.Se6#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sd5+
- 1.Rg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD::QAR1(B)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- DUALS(3)
- Refutation
- S(e);CHECK
- Try
- S(D);CHECK
- Vars
- K(c);P_SPINS(e),S_FLIGHT::B(K),XS(e)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XP(E)
- Try
- S(D);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- Refutation
- P(d);
- Try
- B(K);XS(e)
- Threat
- QAR1(B)
- Vars
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XP(E)
- Try
- R(F);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);P_SPINS(e),S_FLIGHT::S(D)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- R(F);XP(d)
- Threat
- S(D)
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD,XR(F)::QAR1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(e);N_GUARD,XR(J)::QAR1(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- S(e);N_GUARD,XR(J)::QAR1(B)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XP(E)
- Try
- P(C);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);P_SPINS(e),S_FLIGHT,XP(C)::QAR2(B),XP(b)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XP(E)
- Try
- Actual
- R(J);
- Vars
- S(e);CHECK,N_GUARD::QAR1(B),XS(e)
- K(c);P_SPINS(e),S_FLIGHT::S(D)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XP(E)::B(K)
- P(d);XR(J)::S(D)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(e);N_GUARD::QAR1(B)
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).