MESON Chess Problem Database
Problem Display
PID: 202513 (1b1q3Q/p1kPR3/B2R3p/1p5K/1P1pN3/8/8/8 w - - 0 1)
Warton, Thomas Joseph
Helsingin Sanomat, 1923
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxe7
- 2.Qc8#
- 1...Qxd7
- 2.Rexd7#
- 2.Qc8#
- 1...Qc8
- 2.Qxc8#
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3
- 2.Qc3#
- 1...Qxe7
- Tries
- 1.Qxd4?
- threat
- 2.Qc3#
- 2.Qc5#
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxd7
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxe7!
- threat
- 1.Qe5?
- threat
- 2.Rde6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.Qc5#
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxd7
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxe7!
- threat
- 1.Qf6?
- threat
- 2.Rc6#
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxd7
- 2.Rdxd7#
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxe7!
- threat
- 1.Qxh6?
- threat
- 2.Rc6#
- 2.Qc1#
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxd7
- 2.Rdxd7#
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qxe7!
- threat
- 1.Qh7?
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxe7
- 2.d8Q#
- 2.d8B#
- 1...Qxd7
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3!
- 1...Qe8+
- 1.Qe8?
- 1...Qxe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxe7
- 2.Qc8#
- 1...Qxd7
- 2.Rexd7#
- 2.Qxd7#
- 2.Qc8#
- 1...Qc8
- 2.Qxc8#
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...d3!
- 1...Qxe8+
- 1.Qf8?
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxe7
- 2.Qc8#
- 1...Qxd7
- 2.Rexd7#
- 2.Qc8#
- 1...Qxf8
- 2.d8Q#
- 2.d8B#
- 1...Qc8
- 2.Qxc8#
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...d3!
- 1...Qe8+
- 1.Qg8?
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxe7
- 2.Qc8#
- 1...Qxd7
- 2.Rexd7#
- 2.Qc8#
- 1...Qxg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qc8
- 2.Qxc8#
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...d3!
- 1...Qe8+
- 1.Qxd4?
- Keys
- 1.Qg7!
- 1...Qe8+
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Qxe7
- 2.d8Q#
- 2.d8B#
- 1...Qxd7
- 2.Rexd7#
- 1...Qc8
- 2.dxc8Q#
- 2.dxc8S#
- 2.dxc8B#
- 2.dxc8R#
- 2.d8Q#
- 2.d8B#
- 1...Qf8
- 2.d8Q#
- 2.d8B#
- 1...Qg8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Qh8
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3
- 2.Qc3#
- 1...Qe8+
- 1.Qg7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(g);OGATE,XR(G)::QAR1(H)
- Q(g);OGATE::P=Q
- P(a);OGATE::QAR(H)
- Tries
- Try
- Q(H);XP(a)
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,P_SPINQ(g),XP(F)::R1(G),XQ(g)
- Q(g);OGATE::P=Q
- Refutation
- Q(g);XR(G)
- Try
- Q(H);
- Threat
- DUALS(5)
- Vars
- Q(g);OGATE,P_SPINQ(g),XP(F)::R1(G),XQ(g)
- Q(g);OGATE::P=Q
- Refutation
- Q(g);XR(G)
- Try
- Q(H);
- Threat
- R1(E)
- Vars
- Q(g);OGATE::P=Q
- Refutation
- Q(g);XR(G)
- Try
- Q(H);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE::P=Q
- Refutation
- Q(g);XR(G)
- Try
- Q(H);
- Vars
- Q(g);OGATE,XR(G)::P=Q
- Q(g);OGATE,P_SPINQ(g),XP(F)::R1(G),XQ(g)
- Q(g);OGATE::P=Q
- Refutation
- P(a);
- Try
- Q(H);
- Vars
- Q(g);OGATE,XR(G)::QAR1(H)
- Refutation
- P(a);
- Try
- Q(H);
- Vars
- Q(g);OGATE,XR(G)::QAR1(H)
- Q(g);OGATE,XQ(H)::P=Q
- Refutation
- P(a);
- Try
- Q(H);
- Vars
- Q(g);OGATE,XR(G)::QAR1(H)
- Q(g);OGATE::P=Q
- Refutation
- P(a);
- Try
- Actual
- Q(H);
- Vars
- Q(g);OGATE,XR(G)::P=Q
- Q(g);OGATE,P_SPINQ(g),XP(F)::R1(G),XQ(g)
- Q(g);OGATE::P=Q
- P(a);OGATE::QAR(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).