MESON Chess Problem Database
Problem Display
PID: 6011 (1K6/3P4/4N3/1Q3ppB/4b1r1/3r1k2/3p1B2/3N2R1 w - - 0 1)
Warton, Joseph John
Empire News, 1926
#2
8 + 7
| 887 | Mate in Two Moves | 1931 |
| 5606 | The Wangling Wizards | 2005 |
| 133 | The Problemist Supplement | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Ke2
- 2.Sd4#
- 1...Ra3
- 2.Rg3#
- 1...Rb3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Rxd7
- 2.Rg3#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...f4
- 2.Bxg4#
- 1...Ke2
- Tries
- 1.Bg3?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Sxg5#
- 2.Qf1#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Ra3
- 2.Sd4#
- 2.Sxg5#
- 2.Qf1#
- 1...Rb3
- 2.Sd4#
- 2.Sxg5#
- 1...Rc3
- 2.Sd4#
- 2.Sxg5#
- 2.Qf1#
- 1...Re3
- 2.Sd4#
- 2.Sxg5#
- 2.Qf1#
- 1...Rd4
- 2.Sxd4#
- 2.Sxg5#
- 2.Qf1#
- 1...Rd5
- 2.Sxg5#
- 2.Qf1#
- 1...Rd6
- 2.Sxg5#
- 2.Qf1#
- 1...f4!
- 1...Ke2
- 1.Bh4?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Rg3#
- 2.Qf1#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Ra3
- 2.Rg3#
- 2.Qf1#
- 1...Rb3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 2.Qf1#
- 1...Re3
- 2.Rg3#
- 2.Qf1#
- 1...Rd4
- 2.Rg3#
- 2.Qf1#
- 1...Rd5
- 2.Rg3#
- 2.Qf1#
- 1...Rd6
- 2.Rg3#
- 2.Qf1#
- 1...f4
- 2.Bxg4#
- 1...gxh4!
- 1...Ke2
- 1.Bc5?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Qf1#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Ra3
- 2.Qf1#
- 1...Rc3
- 2.Qf1#
- 1...Re3
- 2.Qf1#
- 1...Rd4
- 2.Qf1#
- 1...Rd5
- 2.Qf1#
- 1...Rd6
- 2.Qf1#
- 1...f4
- 2.Bxg4#
- 1...Rb3!
- 1...Ke2
- 1.Ba7?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Qf1#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Ra3
- 2.Qf1#
- 1...Rc3
- 2.Qf1#
- 1...Re3
- 2.Qf1#
- 1...Rd4
- 2.Qf1#
- 1...Rd5
- 2.Qf1#
- 1...Rd6
- 2.Qf1#
- 1...f4
- 2.Bxg4#
- 1...Rb3!
- 1...Ke2
- 1.Qc4?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Rg3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...f4
- 2.Bxg4#
- 1...Rb3+!
- 1...Ke2
- 1.Qa6?
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Rg3#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...f4
- 2.Bxg4#
- 1...Rb3+!
- 1...Ke2
- 1.d8Q?
- 1...Ke2
- 2.Sd4#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qbxd3#
- 2.Qdxd3#
- 1...Bb7
- 2.Qbxd3#
- 2.Qdxd3#
- 1...Ba8
- 2.Qbxd3#
- 2.Qdxd3#
- 1...Rb3
- 2.Rg3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Rd7
- 2.Rg3#
- 1...f4
- 2.Bxg4#
- 1...Rxd8+!
- 1...Ke2
- 1.d8S?
- 1...Ke2
- 2.Sd4#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Rb3
- 2.Rg3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Rd7
- 2.Rg3#
- 1...f4
- 2.Bxg4#
- 1...Rxd8+!
- 1...Ke2
- 1.d8B?
- 1...Ke2
- 2.Sd4#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Rb3
- 2.Rg3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Rd7
- 2.Rg3#
- 1...f4
- 2.Bxg4#
- 1...Rxd8+!
- 1...Ke2
- 1.d8R?
- 1...Ke2
- 2.Sd4#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Rb3
- 2.Rg3#
- 1...Ra3
- 2.Rg3#
- 1...Rc3
- 2.Rg3#
- 1...Re3
- 2.Rg3#
- 1...Rd4
- 2.Rg3#
- 1...Rd5
- 2.Rg3#
- 1...Rd6
- 2.Rg3#
- 1...Rd7
- 2.Rg3#
- 1...f4
- 2.Bxg4#
- 1...Rxd8+!
- 1...Ke2
- 1.Bg3?
- Keys
- 1.Bb6!
- 1...Ke2
- 2.Sd4#
- 1...Rxd7
- 2.Qf1#
- 1...Bd5
- 2.Qxd3#
- 1...Bc6
- 2.Qxd3#
- 1...Bb7
- 2.Qxd3#
- 1...Ba8
- 2.Qxd3#
- 1...Rb3
- 2.Qf1#
- 1...Ra3
- 2.Qf1#
- 1...Rc3
- 2.Qf1#
- 1...Re3
- 2.Qf1#
- 1...Rd4
- 2.Qf1#
- 1...Rd5
- 2.Qf1#
- 1...Rd6
- 2.Qf1#
- 1...f4
- 2.Bxg4#
- 1...Ke2
- 1.Bb6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);::R1(B)
- R(b);P_PINQ(D)::R1(B)
- R(b);XP(G)::R1(B)
- B(d);N_GUARD::QAR2(D),XR(b)
- P(f);N_GUARD::B(E),XR(e)
- Tries
- Try
- B(C);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);P_PINQ(D)::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- P(g);XB(C)
- Try
- B(C);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);OGATE,XP(G)::QAR2(D)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);OGATE::QAR2(D)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);P_PINQ(D)
- Try
- B(C);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);OGATE,XP(G)::QAR2(D)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);OGATE::QAR2(D)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);P_PINQ(D)
- Try
- Q(D);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);XP(G)::R1(B)
- R(b);::R1(B)
- B(d);N_GUARD::QAR2(D),XR(b)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK
- Try
- Q(D);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);XP(G)::R1(B)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK
- Try
- P(G);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);P_PINQ(D)::R1(B)
- R(b);::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK,XQ(G)
- Try
- P(G);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);P_PINQ(D)::R1(B)
- R(b);::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK,XS(G)
- Try
- P(G);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);P_PINQ(D)::R1(B)
- R(b);::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK,XB(G)
- Try
- P(G);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);P_PINQ(D)::R1(B)
- R(b);::R1(B)
- P(f);N_GUARD::B(E),XR(e)
- Refutation
- R(b);CHECK,XR(G)
- Try
- Actual
- B(C);
- Vars
- K(c);N_SPINR(e),P_SPINR(b),S_FLIGHT::S(F)
- R(b);OGATE,XP(G)::QAR2(D)
- B(d);N_GUARD::QAR2(D),XR(b)
- R(b);OGATE::QAR2(D)
- P(f);N_GUARD::B(E),XR(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).