MESON Chess Problem Database
Problem Display
PID: 63275 (8/2p4N/3PBR1p/1R1PkPpK/4p1p1/B1N1P3/2PPQP2/3b4 w - g5 0 1)
Janevski, Zivko
1st Prize, Makedonski sach, 1971
#2
15 + 7
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...c5
- Tries
- 1.Sxd1?
- 1...cxd6
- 2.Bb2#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...g3!
- 1...cxd6
- 1.Qc4?
- threat
- 2.Qd4#
- 2.Qxe4#
- 1...Bxc2
- 2.Qd4#
- 1...c5
- 2.dxc5 ep#
- 1...Bf3
- 2.Qd4#
- 1...g3+!
- threat
- 1.d3?
- threat
- 2.d4#
- 1...c5
- 2.dxc5 ep#
- 1...exd3!
- threat
- 1.f4+?
- 1...exf4 ep
- 2.d4#
- 1...gxf4 ep
- 2.Qh2#
- 1...gxf4!
- 1...exf4 ep
- 1.Sxd1?
- Keys
- 1.fxg5 ep!
- threat
- 2.Rf5#
- 1...c5
- 2.dxc5 ep#
- threat
- 1.fxg5 ep!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- P(g);OGATE::R(H)+P(I),XP(g),EP
- P(g);OGATE::R(H)+P(I),XP(g)
- Tries
- Try
- S(F);XB(a)
- Vars
- P(g);SBLOCK,XP(L)::B(E)
- P(g);OGATE::R(H)+P(I),XP(g),EP
- P(g);OGATE::R(H)+P(I),XP(g)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(a);XP(A)::QAB1(C)
- P(g);OGATE::R(H)+P(I),XP(g),EP
- B(a);::QAB1(C)
- Refutation
- P(c);CHECK
- Try
- P(B);
- Threat
- P(B)
- Vars
- P(g);OGATE::R(H)+P(I),XP(g),EP
- Refutation
- P(b);XP(B)
- Try
- P(D);CHECK
- Vars
- P(b);EP,XP(D)::P(B)
- P(c);EP,S_CUTP(e),XP(D)::QAB(C)
- Refutation
- P(e);XP(D)
- Try
- Actual
- P(J);EP,XP(e)
- Threat
- R1(N)
- Vars
- P(g);OGATE::R(H)+P(I),XP(g),EP
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).