MESON Chess Problem Database
Problem Display
PID: 9688 (1bq5/p1n1p3/k2pR3/2P5/1R6/1NB2B2/P7/5K2 w - - 0 1)
Williams, Philip Hamilton
Chess Amateur (The), 1908
#2
8 + 7
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Qxe6
- 2.Bb7#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sxe6
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qxe6
- Tries
- 1.Ke1?
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qf8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qxe6+!
- 1...Sxe6
- 1.Kg1?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qf8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qg8+!
- 1...Qxe6
- 1.Kf2?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Kg2?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qf8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qg8+!
- 1...Qxe6
- 1.Ba1?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Be1?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Bb2?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Bd2?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Bd4?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Be5?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Bg7?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Bh8?
- 1...Qxe6
- 2.Bb7#
- 1...Qxh8
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Be4?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Bd3#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Bd3#
- 1...Sa8
- 2.Bd3#
- 1...Se8
- 2.Bd3#
- 1...Qf8+!
- 1...Qxe6
- 1.Bc6?
- threat
- 2.Ra4#
- 1...dxc5
- 2.Bb7#
- 1...Qf8+!
- threat
- 1.a3?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.a4?
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.axb5#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qf8!
- 1...Qxe6
- 1.Ke1?
- Keys
- 1.Bf6!
- 1...Qxe6
- 2.Bb7#
- 1...Sxe6
- 2.Be2#
- 1...exf6
- 2.Rxd6#
- 1...Qf8
- 2.Bb7#
- 1...Qb7
- 2.Bxb7#
- 1...Qd7
- 2.Bb7#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Bb7#
- 1...Qg8
- 2.Bb7#
- 1...Qh8
- 2.Bb7#
- 1...Sb5
- 2.Ra4#
- 1...Sd5
- 2.Be2#
- 1...Sa8
- 2.Be2#
- 1...Se8
- 2.Be2#
- 1...Qxe6
- 1.Bf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);CHECK,N_SPINP(b),XR(H)
- Try
- K(A);P-FLIGHT
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- K(A);S_FLIGHT
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD,P_PINB(E)::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);CHECK
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD,XB(D)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- B(E);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);CHECK
- Try
- B(E);N_PINP(b)
- Threat
- R(F)
- Vars
- P(b);XP(G)::R(H)+B(E),DCHECK
- Refutation
- Q(g);CHECK
- Try
- P(B);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- P(B);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- Q(g);N_GUARD::B(E)
- S(d);OGATE::P(B),XS(d)
- S(d);N_GUARD::B(E)
- Refutation
- Q(g);P_PINB(E)
- Try
- Actual
- B(D);
- Vars
- Q(g);N_GUARD,N_SPINP(b),XR(H)::B(E)
- S(d);N_GUARD,N_SPINP(b),XR(H)::B(E)
- P(e);N_GUARD,XB(D)::R(H),XP(b)
- Q(g);N_GUARD::B(E)
- Q(g);N_GUARD::B(E),XQ(g)
- S(d);SBLOCK::R(F)
- S(d);N_GUARD::B(E)
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).