MESON Chess Problem Database
Problem Display
PID: 79737 (4Nb1N/4p3/7p/2B4k/5p1P/4P2K/1pr2PP1/1B6 w - - 0 1)
Lewis, Robert Tony
Problem Observer, 2008
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rxf2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rxc5
- 2.Bg6#
- 1...Bg7
- 2.Sxg7#
- 1...fxe3
- 2.g4#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc1
- Tries
- 1.Ba2?
- threat
- 2.Bf7#
- 1...e6
- 2.Sf6#
- 1...Rc4!
- threat
- 1.Ba3?
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Bg7
- 2.Sxg7#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc6!
- 1...Rxf2
- 1.Bb4?
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Bg7
- 2.Sxg7#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc6!
- 1...Rxf2
- 1.Bd4?
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Bg7
- 2.Sxg7#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc6!
- 1...Rxf2
- 1.Bb6?
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Bg7
- 2.Sxg7#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc6!
- 1...Rxf2
- 1.Ba7?
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Bg7
- 2.Sxg7#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rc6!
- 1...Rxf2
- 1.Bxe7?
- threat
- 2.Sf6#
- 1...Bxe7
- 2.Sg7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc6!
- threat
- 1.f3?
- 1...Rxc5
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rf2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Bg7
- 2.Sxg7#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rxg2!
- 1...Rxc5
- 1.Ba2?
- Keys
- 1.Bd6!
- 1...Rxf2
- 2.Bg6#
- 1...fxe3
- 2.g4#
- 1...exd6
- 2.Sf6#
- 1...Rc6
- 2.Bg6#
- 1...Rc1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Re2
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Rc4
- 2.Bg6#
- 1...Rc5
- 2.Bg6#
- 1...Rc7
- 2.Bg6#
- 1...Rc8
- 2.Bg6#
- 1...Bg7
- 2.Sxg7#
- 1...f3
- 2.g4#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rxf2
- 1.Bd6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);OGATE::B(A)
- R(b);OGATE,XP(B)::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- R(b);OGATE,XB(G)::B(A)
- B(g);N_GUARD::S(H),XB(g)
- P(c);N_GUARD,XP(D)::P(C)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- B(g);N_GUARD::S(H),XB(g)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- B(g);N_GUARD::S(H),XB(g)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- B(g);N_GUARD::S(H),XB(g)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- B(g);N_GUARD::S(H),XB(g)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- B(g);N_GUARD::S(H),XB(g)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);
- Try
- B(G);XP(f)
- Threat
- S(H)
- Vars
- B(g);N_GUARD,XB(G)::S(H)
- B(g);N_GUARD::S(H),XB(g)
- Refutation
- R(b);
- Try
- P(B);
- Vars
- R(b);OGATE,XB(G)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- R(b);OGATE::B(A)
- B(g);N_GUARD::S(H),XB(g)
- P(f);N_GUARD::S(H)
- Refutation
- R(b);XP(C)
- Try
- Actual
- B(G);
- Vars
- R(b);OGATE,XP(B)::B(A)
- P(c);N_GUARD,XP(D)::P(C)
- P(f);N_GUARD,XB(G)::S(H)
- R(b);OGATE::B(A)
- R(b);OGATE,P_PINP(D)::B(A)
- B(g);N_GUARD::S(H),XB(g)
- P(c);N_GUARD::P(C)
- P(f);N_GUARD::S(H)
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).