MESON Chess Problem Database
Problem Display
PID: 17657 (8/8/8/1RpR4/2p5/BPkP1N2/1p6/bK6 w - - 0 1)
Hjelle, David
Parallele 50, 1948
#2
7 + 5
| 3713 | Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...cxb3
- 2.Rbxc5#
- 1...cxd3
- 2.Rdxc5#
- 1...cxb3
- Tries
- 1.Rb4?
- 1...cxb3
- 2.Rc4#
- 1...cxd3
- 2.Rxc5#
- 1...cxb4!
- 1...cxb3
- 1.Rb6?
- 1...cxd3
- 2.Rxc5#
- 1...cxb3!
- 1...cxd3
- 1.Rb7?
- 1...cxd3
- 2.Rxc5#
- 1...cxb3!
- 1...cxd3
- 1.Rb8?
- 1...cxd3
- 2.Rxc5#
- 1...cxb3!
- 1...cxd3
- 1.Rd4?
- 1...cxb3
- 2.Rxc5#
- 1...cxd3
- 2.Rc4#
- 1...cxd4!
- 1...cxb3
- 1.Rd6?
- 1...cxb3
- 2.Rxc5#
- 1...cxd3!
- 1...cxb3
- 1.Rd7?
- 1...cxb3
- 2.Rxc5#
- 1...cxd3!
- 1...cxb3
- 1.Rd8?
- 1...cxb3
- 2.Rxc5#
- 1...cxd3!
- 1...cxb3
- 1.Rb4?
- Keys
- 1.Bxc5!
- 1...cxb3
- 2.Bb4#
- 1...cxd3
- 2.Bd4#
- 1...cxb3
- 1.Bxc5!
Anticipated by 170911(1944)
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(B);XP(e)
- Vars
- P(d);SBLOCK,XP(C)::B(B)
- P(d);SBLOCK,XP(D)::B(B)
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).