MESON Chess Problem Database
Problem Display
PID: 99082 (8/1nn4p/1Q3RpP/2r1k3/Rp4P1/1Pr1PBp1/2pNN3/2K3B1 w - - 0 1)
Czibulka, Zoltan
Magyar Sakkszovetseg, 1975
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Qd4#
- 1...Rb5
- 2.Qd4#
- 1...Rc6
- 2.Qd4#
- 1...Sa5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...Sb5
- 2.Re6#
- 2.Qe6#
- 1...Sd5
- 2.Re6#
- 2.Qe6#
- 1...Sa6
- 2.Re6#
- 2.Qe6#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Sa8
- 2.Re6#
- 2.Qe6#
- 1...Se8
- 2.Re6#
- 2.Qe6#
- 1...g2
- 2.Bh2#
- 1...g5
- 2.Rf5#
- 1...Ra5
- Tries
- 1.Sxc3?
- 1...Rxc3
- 2.Qd4#
- 1...Rc6
- 2.Qd4#
- 1...Sd6
- 2.Qxd6#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Rc4
- 2.Sxc4#
- 1...Ra5
- 2.Sc4#
- 2.Qd4#
- 1...Rb5
- 2.Sc4#
- 2.Qd4#
- 1...Rd5
- 2.Sc4#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sb5
- 2.Re6#
- 2.Qe6#
- 1...Sd5
- 2.Re6#
- 2.Qe6#
- 1...Sa6
- 2.Re6#
- 2.Qe6#
- 1...Sa8
- 2.Re6#
- 2.Qe6#
- 1...Se8
- 2.Re6#
- 2.Qe6#
- 1...g2
- 2.Bh2#
- 1...g5
- 2.Rf5#
- 1...bxc3!
- 1...Rxc3
- 1.Bxb7?
- threat
- 2.Sf3#
- 2.Qd6#
- 1...Rxe3
- 2.Qd6#
- 1...Rc6
- 2.Qd4#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Rd3
- 2.Sf3#
- 1...Sb5
- 2.Sf3#
- 2.Re6#
- 2.Qe6#
- 1...Sd5
- 2.Re6#
- 2.Qd6#
- 2.Qe6#
- 1...Se8
- 2.Sf3#
- 2.Re6#
- 2.Qe6#
- 1...Rd5!
- threat
- 1.Rxg6?
- threat
- 2.Rg5#
- 2.Qf6#
- 1...Rc6
- 2.Qd4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd5
- 2.Rg5#
- 2.Re6#
- 2.Qe6#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Se8
- 2.Rg5#
- 2.Re6#
- 2.Qe6#
- 1...hxg6!
- threat
- 1.Sxc3?
- Keys
- 1.Ra5!
- 1...Rxb3
- 2.Sc4#
- 1...Rxe3
- 2.Sc4#
- 1...Rxa5
- 2.Qd4#
- 1...Sxa5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Se6
- 2.Rxe6#
- 2.Qxe6#
- 1...Rc4
- 2.Sxc4#
- 1...Rd3
- 2.Sc4#
- 1...Rb5
- 2.Qd4#
- 1...Rd5
- 2.Qd4#
- 1...Sd8
- 2.Qd6#
- 1...Sb5
- 2.Re6#
- 2.Qe6#
- 1...Sd5
- 2.Re6#
- 2.Qe6#
- 1...Sa6
- 2.Re6#
- 2.Qe6#
- 1...Sa8
- 2.Re6#
- 2.Qe6#
- 1...Se8
- 2.Re6#
- 2.Qe6#
- 1...g2
- 2.Bh2#
- 1...g5
- 2.Rf5#
- 1...Rxb3
- 1.Ra5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(e);OGATE::QAB1(J)
- S(h);N_GUARD::QAB1(J)
- S(h);N_GUARD::QAB1(J),XS(h)
- P(c);OGATEB::B(B)
- P(g);N_GUARD::R1(K)
- Tries
- Try
- S(D);XR(b)
- Vars
- R(e);OGATE,XS(D)::QAB1(J)
- R(e);OGATE::QAB1(J)
- S(h);N_GUARD::QAB1(J),XS(h)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- S(h);N_GUARD::QAB1(J)
- P(c);OGATEB::B(B)
- P(g);N_GUARD::R1(K)
- Refutation
- P(d);XS(D)
- Try
- B(G);XS(h)
- Threat
- DUALS(2)
- Vars
- R(b);XP(F)::QAB1(J)
- R(e);OGATE::QAB1(J)
- R(b);::S(C)
- Refutation
- R(e);
- Try
- R(K);XP(g)
- Threat
- DUALS(2)
- Vars
- R(e);OGATE::QAB1(J)
- S(h);N_GUARD::QAB1(J),XS(h)
- Refutation
- P(j);XR(K)
- Try
- Actual
- R(H);P_PINR(e)
- Vars
- R(b);N_GUARD,XP(E)::S(C)
- R(b);N_GUARD,XP(F)::S(C)
- R(e);N_SPINR(e),OGATE,XR(H)::QAB1(J)
- S(h);N_GUARD,N_SPINR(e),XR(H)::QAB1(J)
- S(h);N_GUARD::QAB1(J),XS(h)
- R(b);N_GUARD::S(C),XR(b)
- R(b);N_GUARD::S(C)
- R(e);OGATE::QAB1(J)
- S(h);N_GUARD::QAB1(J)
- P(c);OGATEB::B(B)
- P(g);N_GUARD::R1(K)
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).