MESON Chess Problem Database
Problem Display
PID: 170911 (8/8/8/4RpR1/5p2/2N1PkPB/6p1/6Kb w - - 0 1)
Kristensen, Erling
2nd Prize, Problemisten, 1944
#2
7 + 5
| 3713 | Snap | 2018 |
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...fxe3
- 2.Rexf5#
- 1...fxg3
- 2.Rgxf5#
- 1...fxe3
- Tries
- 1.Re4?
- 1...fxe3
- 2.Rf4#
- 1...fxg3
- 2.Rxf5#
- 1...fxe4!
- 1...fxe3
- 1.Re6?
- 1...fxg3
- 2.Rxf5#
- 1...fxe3!
- 1...fxg3
- 1.Re7?
- 1...fxg3
- 2.Rxf5#
- 1...fxe3!
- 1...fxg3
- 1.Re8?
- 1...fxg3
- 2.Rxf5#
- 1...fxe3!
- 1...fxg3
- 1.Rg4?
- 1...fxe3
- 2.Rxf5#
- 1...fxg3
- 2.Rf4#
- 1...fxg4!
- 1...fxe3
- 1.Rg6?
- 1...fxe3
- 2.Rxf5#
- 1...fxg3!
- 1...fxe3
- 1.Rg7?
- 1...fxe3
- 2.Rxf5#
- 1...fxg3!
- 1...fxe3
- 1.Rg8?
- 1...fxe3
- 2.Rxf5#
- 1...fxg3!
- 1...fxe3
- 1.Re4?
- Keys
- 1.Bxf5!
- 1...fxe3
- 2.Be4#
- 1...fxg3
- 2.Bg4#
- 1...fxe3
- 1.Bxf5!
This anticipates 17657(1948)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(d);OGATEB,SBLOCK,XP(C)::R(F),XP(e)
- P(d);OGATEB,SBLOCK,XP(D)::R(G),XP(e)
- Tries
- Try
- R(F);
- Vars
- P(d);SBLOCK,XP(C)::R1(F)
- P(d);OGATEB,SBLOCK,XP(D)::R(G),XP(e)
- Refutation
- P(e);XR(F)
- Try
- R(F);
- Vars
- P(d);OGATEB,SBLOCK,XP(D)::R(G),XP(e)
- Refutation
- P(d);XP(C)
- Try
- R(F);
- Vars
- P(d);OGATEB,SBLOCK,XP(D)::R(G),XP(e)
- Refutation
- P(d);XP(C)
- Try
- R(F);
- Vars
- P(d);OGATEB,SBLOCK,XP(D)::R(G),XP(e)
- Refutation
- P(d);XP(C)
- Try
- R(G);
- Vars
- P(d);OGATEB,SBLOCK,XP(C)::R(F),XP(e)
- P(d);SBLOCK,XP(D)::R1(G)
- Refutation
- P(e);XR(G)
- Try
- R(G);
- Vars
- P(d);OGATEB,SBLOCK,XP(C)::R(F),XP(e)
- Refutation
- P(d);XP(D)
- Try
- R(G);
- Vars
- P(d);OGATEB,SBLOCK,XP(C)::R(F),XP(e)
- Refutation
- P(d);XP(D)
- Try
- R(G);
- Vars
- P(d);OGATEB,SBLOCK,XP(C)::R(F),XP(e)
- Refutation
- P(d);XP(D)
- Try
- Actual
- B(E);XP(e)
- Vars
- P(d);SBLOCK,XP(C)::B(E)
- P(d);SBLOCK,XP(D)::B(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).