MESON Chess Problem Database
Problem Display
PID: 247892 (3k4/N1pp1Kp1/5pP1/4P3/6B1/7b/1b4r1/1R2B2Q w - - 0 1)
Russell, HA
British Chess Magazine, 1932
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qa8#
- 1...Rc2
- 2.Qa8#
- 1...Rd2
- 2.Qa8#
- 1...Re2
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rh2
- 2.Qa8#
- 1...Rg3
- 2.Qa8#
- 1...Rxg4
- 2.Qa8#
- 1...Ba1
- 2.Rb8#
- 1...Bc1
- 2.Rb8#
- 1...Ba3
- 2.Rb8#
- 1...Bc3
- 2.Rb8#
- 1...Bd4
- 2.Rb8#
- 1...Bxe5
- 2.Rb8#
- 1...Bxg4
- 2.Qh8#
- 1...fxe5
- 2.Bh4#
- 1...f5
- 2.Bh4#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rg1
- Tries
- 1.Bf2?
- 1...Rxf2
- 2.Qa8#
- 1...Rxg4
- 2.Qa8#
- 1...Bxe5
- 2.Rb8#
- 1...Bxg4
- 2.Qh8#
- 1...fxe5
- 2.Bh4#
- 1...c6
- 2.Bb6#
- 1...Rg1
- 2.Qa8#
- 1...Rh2
- 2.Qa8#
- 1...Rg3
- 2.Qa8#
- 1...Ba1
- 2.Rb8#
- 1...Bc1
- 2.Rb8#
- 1...Ba3
- 2.Rb8#
- 1...Bc3
- 2.Rb8#
- 1...Bd4
- 2.Rb8#
- 1...f5
- 2.Bh4#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...c5!
- 1...Rxf2
- 1.Bb4?
- threat
- 2.Be7#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...d6
- 2.Sc6#
- 1...Ba3!
- threat
- 1.Bf5?
- 1...Rxg6
- 2.Qa8#
- 1...Bxe5
- 2.Rb8#
- 1...Bxf5
- 2.Qh8#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Rg1
- 2.Qa8#
- 1...Rc2
- 2.Qa8#
- 1...Rd2
- 2.Qa8#
- 1...Re2
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rh2
- 2.Qa8#
- 1...Rg3
- 2.Qa8#
- 1...Rg4
- 2.Qa8#
- 1...Rg5
- 2.Qa8#
- 1...Ba1
- 2.Rb8#
- 1...Bc1
- 2.Rb8#
- 1...Ba3
- 2.Rb8#
- 1...Bc3
- 2.Rb8#
- 1...Bd4
- 2.Rb8#
- 1...Bg4
- 2.Qh8#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...fxe5!
- 1...Rxg6
- 1.Rd1?
- threat
- 2.Rxd7#
- 1...Rxg4
- 2.Qa8#
- 1...Bxg4
- 2.Qh8#
- 1...f5
- 2.Bh4#
- 1...Rd2
- 2.Qa8#
- 1...d5
- 2.Sc6#
- 2.Rxd5#
- 1...d6
- 2.Sc6#
- 1...Bd4!
- threat
- 1.Rxb2?
- threat
- 2.Rb8#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Rxb2!
- threat
- 1.Qxg2?
- threat
- 2.Qa8#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...d5
- 2.Sc6#
- 2.Qxd5#
- 1...Bxg2!
- threat
- 1.Qxh3?
- threat
- 2.Qh8#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Ba3
- 2.Rb8#
- 1...Rh2!
- threat
- 1.exf6?
- 1...Rxg4
- 2.Qa8#
- 1...Bxf6
- 2.Rb8#
- 1...Bxg4
- 2.Qh8#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Rg1
- 2.Qa8#
- 1...Rc2
- 2.Qa8#
- 1...Rd2
- 2.Qa8#
- 1...Re2
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rh2
- 2.Qa8#
- 1...Rg3
- 2.Qa8#
- 1...Ba1
- 2.Rb8#
- 1...Bc1
- 2.Rb8#
- 1...Ba3
- 2.Rb8#
- 1...Bc3
- 2.Rb8#
- 1...Bd4
- 2.Rb8#
- 1...Be5
- 2.Rb8#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...gxf6!
- 1...Rxg4
- 1.e6?
- threat
- 2.e7#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Re2
- 2.Qa8#
- 1...Ba3
- 2.Rb8#
- 1...dxe6!
- threat
- 1.Bf2?
- Keys
- 1.Bd2!
- 1...Rxd2
- 2.Qa8#
- 1...Rxg4
- 2.Qa8#
- 1...Bxe5
- 2.Rb8#
- 1...Bxg4
- 2.Qh8#
- 1...fxe5
- 2.Bg5#
- 1...c5
- 2.Ba5#
- 1...c6
- 2.Ba5#
- 1...Rg1
- 2.Qa8#
- 1...Re2
- 2.Qa8#
- 1...Rf2
- 2.Qa8#
- 1...Rh2
- 2.Qa8#
- 1...Rg3
- 2.Qa8#
- 1...Ba1
- 2.Rb8#
- 1...Bc1
- 2.Rb8#
- 1...Ba3
- 2.Rb8#
- 1...Bc3
- 2.Rb8#
- 1...Bd4
- 2.Rb8#
- 1...f5
- 2.Bg5#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rxd2
- 1.Bd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(b);OGATE::QAR(C)
- R(b);OGATE,XB(D)::QAR(C)
- B(a);OGATE::R(A)
- B(a);OGATE,XP(E)::R(A)
- B(c);OGATE,XB(D)::QAR(C)
- P(d);OGATEB,XP(E)::B(B)
- P(d);OGATEB::B(B)
- P(e);OGATEB::B(B)
- P(f);N_GUARD::S(G)
- Tries
- Try
- B(B);
- Vars
- R(b);OGATE,XB(B)::QAR(C)
- R(b);OGATE,XB(D)::QAR(C)
- B(a);OGATE,XP(E)::R(A)
- B(c);OGATE,XB(D)::QAR(C)
- P(d);OGATEB,XP(E)::B(B)
- P(e);OGATEB::B(B)
- R(b);OGATE::QAR(C)
- B(a);OGATE::R(A)
- P(d);OGATEB::B(B)
- P(f);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- B(B);
- Threat
- B(B)
- Vars
- P(e);OGATEB::B(B)
- P(f);N_GUARD::S(G)
- Refutation
- B(a);
- Try
- B(D);
- Vars
- R(b);OGATE,XP(F)::QAR(C)
- B(a);OGATE,XP(E)::R(A)
- B(c);OGATE,XB(D)::QAR(C)
- P(e);OGATEB::B(B)
- R(b);OGATE::QAR(C)
- B(a);OGATE::R(A)
- B(c);OGATE::QAR(C)
- P(f);N_GUARD::S(G)
- Refutation
- P(d);XP(E)
- Try
- R(A);P_PINP(f)
- Threat
- R1(A),XP(f)
- Vars
- R(b);OGATE,XB(D)::QAR(C)
- B(c);OGATE,XB(D)::QAR(C)
- P(d);OGATEB::B(B)
- R(b);N_SPINP(f),OGATE::QAR(C)
- P(f);::S(G)
- Refutation
- B(a);N_SPINP(f)
- Try
- R(A);XB(a)
- Threat
- R(A)
- Vars
- P(e);OGATEB::B(B)
- Refutation
- R(b);XR(A)
- Try
- Q(C);XR(b)
- Threat
- QAR(C)
- Vars
- P(e);OGATEB::B(B)
- Refutation
- B(c);XQ(C)
- Try
- Q(C);XB(c)
- Threat
- QAR(C)
- Vars
- P(e);OGATEB::B(B)
- B(a);OGATE::R(A)
- Refutation
- R(b);
- Try
- P(E);XP(d)
- Vars
- R(b);OGATE,XB(D)::QAR(C)
- B(a);OGATE,XP(E)::R(A)
- B(c);OGATE,XB(D)::QAR(C)
- P(e);OGATEB::B(B)
- R(b);OGATE::QAR(C)
- R(b);OGATE,P_PINP(E)::QAR(C)
- B(a);OGATE::R(A)
- P(f);N_GUARD::S(G)
- Refutation
- P(g);XP(E)
- Try
- P(E);
- Threat
- P(E)
- Vars
- P(e);OGATEB::B(B)
- R(b);OGATE::QAR(C)
- B(a);OGATE::R(A)
- Refutation
- P(f);XP(E)
- Try
- Actual
- B(B);
- Vars
- R(b);OGATE,XB(B)::QAR(C)
- R(b);OGATE,XB(D)::QAR(C)
- B(a);OGATE,XP(E)::R(A)
- B(c);OGATE,XB(D)::QAR(C)
- P(d);OGATEB,XP(E)::B(B)
- P(e);OGATEB::B(B)
- R(b);OGATE::QAR(C)
- B(a);OGATE::R(A)
- P(d);OGATEB::B(B)
- P(f);N_GUARD::S(G)
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).