MESON Chess Problem Database
Problem Display
PID: 226471 (bQ4K1/2nB2P1/3N4/2rkBRp1/r2P1p1P/1n1N4/2p5/8 w - - 0 1)
Bakcsi, Gyorgy
Schach-Aktiv, 1991
#2
10 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rxd4
- 2.Bxf4#
- 1...Raa5
- 2.Sb4#
- 1...Ra6
- 2.Sb4#
- 1...Ra7
- 2.Sb4#
- 1...Sb5
- 2.Bf6#
- 1...Sa6
- 2.Bf6#
- 1...Se6
- 2.Bf6#
- 1...Se8
- 2.Bf6#
- 1...gxh4
- 2.Sxf4#
- 1...g4
- 2.Sxf4#
- 1...Ra1
- Tries
- 1.Qxc7?
- threat
- 2.Bf6#
- 1...Sxd4
- 2.Qxc5#
- 1...Rxc7!
- threat
- 1.Qxb3+?
- 1...Rac4
- 2.Sb4#
- 1...Rcc4!
- 1...Rac4
- 1.Qb6?
- threat
- 2.Bf6#
- 1...Sxd4
- 2.Qxc5#
- 1...Rc6
- 2.Bxf4#
- 1...Bc6!
- threat
- 1.Qxc7?
- Keys
- 1.Qb4!
- threat
- 2.Bxf4#
- 1...Rxb4
- 2.Sxb4#
- 1...Sxd4
- 2.Qxc5#
- 1...Rc4
- 2.Bf6#
- 1...f3
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- R(c);SBLOCK,XP(B)::R(E)+B(D),XP(d)
- S(h);::R(E)+B(D)
- P(g);N_GUARD,XP(C)::S(A),XP(d)
- P(g);N_GUARD::S(A),XP(d)
- Tries
- Try
- Q(I);XS(h)
- Threat
- R(E)+B(D)
- Vars
- S(b);N_GUARD,XP(B)::QAR1(I),XR(e)
- Refutation
- R(e);XQ(I)
- Try
- Q(I);CHECK,XS(b)
- Vars
- R(c);P_SPINR(c)::S(A)
- Refutation
- R(e);P_SPINR(e)
- Try
- Q(I);
- Threat
- R(E)+B(D)
- Vars
- S(b);N_GUARD,XP(B)::QAR1(I),XR(e)
- R(e);::R(E)+B(D),XP(d)
- Refutation
- B(i);
- Try
- Actual
- Q(I);
- Threat
- R(E)+B(D),XP(d)
- Vars
- R(c);XQ(I)::S(A),XR(c)
- S(b);N_GUARD,XP(B)::QAR1(I),XR(e)
- R(e);::R(E)+B(D)
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).