MESON Chess Problem Database
Problem Display
PID: 187964 (r1b4Q/4b1P1/2p1kBP1/1N1p2P1/3p2K1/8/8/8 w - - 0 1)
Lovi, Jozsef
Pesti Naplo, 1910
#2
7 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxc8#
- 1...Ra2
- 2.Qxc8#
- 1...Ra3
- 2.Qxc8#
- 1...Ra4
- 2.Qxc8#
- 1...Ra5
- 2.Qxc8#
- 1...Ra6
- 2.Qxc8#
- 1...Bf8
- 2.gxf8S#
- 1...Ra1
- Tries
- 1.Qd8?
- threat
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bxf6
- 2.Qd6#
- 1...Ra1
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra2
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra3
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra4
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra5
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra6
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Rb8
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Ba3
- 2.Sxd4#
- 2.Sc7#
- 2.g8Q#
- 2.g8B#
- 1...Bb4
- 2.Sxd4#
- 2.Sc7#
- 2.g8Q#
- 2.g8B#
- 1...Bf8
- 2.Sxd4#
- 2.Sc7#
- 2.gxf8S#
- 2.g8Q#
- 2.g8B#
- 1...Ba6
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bb7
- 2.Sxd4#
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...d3
- 2.Sd4#
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...c5
- 2.Sc7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bxd8!
- threat
- 1.Qf8?
- threat
- 2.Qxe7#
- 1...Kd7
- 2.Qxe7#
- 1...Bxf6
- 2.Qd6#
- 1...Bxf8
- 2.gxf8S#
- 1...Ba3
- 2.Qf7#
- 1...Bb4
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bd6
- 2.Qxd6#
- 2.Qf7#
- 1...Bd8
- 2.Qd6#
- 2.Qf7#
- 1...Ra7!
- threat
- 1.Qd8?
- Keys
- 1.Qe8!
- threat
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...cxb5
- 2.Qxe7#
- 1...Ra1
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra2
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra3
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra4
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra5
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra6
- 2.Qxe7#
- 2.Qxc8#
- 2.g8Q#
- 2.g8B#
- 1...Ra7
- 2.g8Q#
- 2.g8B#
- 1...Rb8
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Ba6
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bb7
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bd7
- 2.Qf7#
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...d3
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- 1...c5
- 2.Qxe7#
- 2.g8Q#
- 2.g8B#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::QAB(G),XB(g)
- B(e);OGATE::PXB(e)=S
- Tries
- Try
- Q(G);
- Threat
- DUALS(5)
- Vars
- B(e);N_GUARD,XB(D)::QAR1(G)
- Refutation
- B(e);XQ(G)
- Try
- Q(G);
- Threat
- QAR1(G),XB(e)
- Vars
- K(d);S_FLIGHT::QAR1(G),XB(e)
- B(e);OGATE,XB(D)::QAR1(G)
- B(e);OGATE,XQ(G)::PXB(e)=S
- B(e);::QAB1(G)
- Refutation
- R(f);
- Try
- Actual
- Q(G);P_PINB(e)
- Threat
- DUALS(3)
- Vars
- P(c);XS(B)::QAR1(G),XB(e)
- R(f);::P=Q
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).