MESON Chess Problem Database
Problem Display
PID: 54383 (2K5/p7/1pR1R1p1/3k1prn/r1NpNp2/3p3b/1P3P2/8 w - - 0 1)
Lacny, Ludovit
3rd Prize, StrateGems, 2004
#2
7 + 12
| 145 | StrateGems | 2005 |
| 23 | Die Schwalbe | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Sg3
- Tries
- 1.Kc7?
- threat
- 2.Re5#
- 1...fxe4
- 2.Red6#
- 1...Rxc4!
- threat
- 1.Kd7?
- threat
- 2.Re5#
- 1...Sf6+
- 2.Sxf6#
- 1...Rxc4
- 2.Rcd6#
- 1...fxe4!
- threat
- 1.b3?
- threat
- 2.Rcd6#
- 1...Rxc4
- 2.bxc4#
- 1...fxe4!
- threat
- 1.f3?
- threat
- 2.Red6#
- 1...fxe4
- 2.fxe4#
- 1...Rxc4!
- threat
- 1.Kc7?
- Keys
- 1.Kb7!
- threat
- 2.Re5#
- 1...Rxc4
- 2.Rcd6#
- 1...fxe4
- 2.Red6#
- threat
- 1.Kb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(i);N_GUARD::S(D)
- S(i);N_GUARD::S(D),XS(i)
- P(l);N_GUARD::S(C),XP(j)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- R1(F)
- Vars
- P(g);SBLOCK,XS(D)::R1(F)
- Refutation
- R(c);P_PINR(E),XS(C)
- Try
- K(G);S_FLIGHT
- Threat
- R1(F)
- Vars
- S(i);CHECK,N_GUARD::S(D),XS(i)
- R(c);SBLOCK,XS(C)::R1(E)
- Refutation
- P(g);P_PINR(F),XS(D)
- Try
- P(A);
- Threat
- R1(E)
- Vars
- R(c);OGATE,P_PINR(E),XS(C)::P(A),XR(c)
- Refutation
- P(g);P_PINR(F),XS(D)
- Try
- P(B);
- Threat
- R1(F)
- Vars
- P(g);OGATE,P_PINR(F),XS(D)::P(B),XP(g)
- Refutation
- R(c);P_PINR(E),XS(C)
- Try
- Actual
- K(G);S_FLIGHT
- Threat
- R1(F)
- Vars
- R(c);SBLOCK,XS(C)::R1(E)
- P(g);SBLOCK,XS(D)::R1(F)
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).