MESON Chess Problem Database
Problem Display
PID: 141688 (B7/6K1/2nppP2/Rp1pkppR/3pP2p/3P1Q1P/8/B7 w - - 0 1)
Einat, Paz
Probleemblad, 1977
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...fxe4
- 2.Rxg5#
- 1...f4
- 2.Rxg5#
- 1...fxe4
- Tries
- 1.Qe3?
- 1...Sxa5
- 2.Bxd4#
- 2.exd5#
- 1...fxe4
- 2.Rxg5#
- 2.Qxg5#
- 1...Sb4
- 2.Bxd4#
- 2.exd5#
- 1...Sa7
- 2.Bxd4#
- 2.exd5#
- 1...Se7
- 2.Bxd4#
- 2.exd5#
- 1...Sb8
- 2.Bxd4#
- 2.exd5#
- 1...Sd8
- 2.Bxd4#
- 2.exd5#
- 1...b4
- 2.exd5#
- 1...f4
- 2.Rxg5#
- 1...g4
- 2.exf5#
- 1...dxe4!
- 1...Sxa5
- 1.Qg3+?
- 1...f4
- 2.Rxg5#
- 2.Qxg5#
- 1...hxg3!
- 1...f4
- 1.Qe3?
- Keys
- 1.exd5!
- 1...Sxa5
- 2.Qe3#
- 1...exd5
- 2.Qe3#
- 1...f4
- 2.Rxg5#
- 2.Qe4#
- 1...Sb4
- 2.Qe3#
- 1...Sa7
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...Sb8
- 2.Qe3#
- 1...Sd8
- 2.Qe3#
- 1...b4
- 2.Qe3#
- 1...g4
- 2.Qe4#
- 1...Sxa5
- 1.exd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- P(f);OGATEB,XP(E)::R(G),XP(g)
- P(f);OGATEB::R(G),XP(g)
- Tries
- Try
- Q(C);
- Vars
- P(c);::QAR(C)+P(E),XP(d)
- P(f);OGATEB::R(G),XP(g)
- P(g);::QAR(C)+P(E),XP(f)
- Refutation
- P(d);XP(E)
- Try
- Q(C);CHECK
- Refutation
- P(b);XQ(C)
- Try
- Actual
- P(E);XP(d)
- Vars
- S(h);XR(F)::QAR2(C)
- P(j);SBLOCK,XP(E)::QAR2(C)
- S(h);::QAR2(C)
- P(c);::QAR2(C)
- P(g);S_CUTP(f)::QAR1(C)
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).