MESON Chess Problem Database
Problem Display
PID: 5045 (2rB4/2p5/N1R5/rk6/N1R5/8/4n2K/8 w - - 0 1)
Williams, Philip Hamilton
Birmingham Post, 1898
#2
6 + 5
| 2638 | White to Play | 1913 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rxd8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Rxa4
- Tries
- 1.Kh1?
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Rxd8
- 2.Sxc7#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Sg3+!
- 1...Rxa4
- 1.Kg2?
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Rxd8
- 2.Sxc7#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4+!
- 1...Rxa4
- 1.Bg5?
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Rh8+!
- 1...Rxa4
- 1.Bf6?
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Rh8+!
- 1...Rxa4
- 1.Be7?
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Rh8+!
- 1...Rxa4
- 1.Kh1?
- Keys
- 1.Bh4!
- 1...Rxa4
- 2.R4c5#
- 1...Rxa6
- 2.R6c5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sc3#
- 1...Sd4
- 2.Sc3#
- 1...Sf4
- 2.Sc3#
- 1...Rxa4
- 1.Bh4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD::S(D),XP(d)
- R(e);N_GUARD,XB(F)::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD,XB(F)::S(D),XP(d)
- R(e);N_GUARD::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- S(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD,XB(F)::S(D),XP(d)
- R(e);N_GUARD::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- S(a);CHECK
- Try
- B(F);
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(e);CHECK
- Try
- B(F);
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(e);CHECK
- Try
- B(F);
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(e);CHECK
- Try
- Actual
- B(F);
- Vars
- R(b);SBLOCK,XS(B)::R1(C)
- R(b);SBLOCK,XS(D)::R1(E)
- R(e);N_GUARD::S(D),XP(d)
- R(e);N_GUARD,P_PINB(F)::S(D),XP(d)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
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).