MESON Chess Problem Database
Problem Display
PID: 78520 (Q1n1R1R1/2Np4/K1N2kpq/3B4/2n2BPP/8/8/2b5 w - - 0 1)
Stojnic, Dragan
3rd HM., The Problemist, 2007
#2
10 + 7
| 273 | Mat Plus | 2008 |
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Ref8#
- 1...Qg5
- 2.Ref8#
- 2.hxg5#
- 1...Qf8
- 2.Rexf8#
- 1...Qxh4
- 2.Ref8#
- 1...Qh5
- 2.Ref8#
- 1...Qh8
- 2.Ref8#
- 1...Sb2
- 2.Be5#
- 1...Sd2
- 2.Be5#
- 1...Sa3
- 2.Be5#
- 1...Se3
- 2.Be5#
- 1...Sa5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...S4b6
- 2.Be5#
- 1...S4d6
- 2.Be5#
- 1...S8b6
- 2.Qd8#
- 1...S8d6
- 2.Qd8#
- 1...Sa7
- 2.Qd8#
- 1...Qxf4
- Tries
- 1.Bg5+?
- 1...Qxg5
- 2.Ref8#
- 1...Bxg5!
- 1...Qxg5
- 1.Bxh6?
- threat
- 2.Bg7#
- 2.Ref8#
- 2.Rgf8#
- 1...dxc6
- 2.Bg7#
- 2.Rgf8#
- 1...Ba3
- 2.Bg5#
- 2.Bg7#
- 1...Se5
- 2.Bg7#
- 1...S4d6
- 2.Bg7#
- 1...S8d6
- 2.Bg7#
- 2.Qd8#
- 1...g5
- 2.Ref8#
- 1...Bxh6!
- threat
- 1.Re1?
- threat
- 2.Se8#
- 1...S4d6
- 2.Be5#
- 1...S8d6
- 2.Qd8#
- 1...Qf8!
- threat
- 1.Re2?
- threat
- 2.Se8#
- 1...S4d6
- 2.Be5#
- 1...S8d6
- 2.Qd8#
- 1...Qf8!
- threat
- 1.Re4?
- threat
- 2.Se8#
- 1...S4d6
- 2.Be5#
- 1...S8d6
- 2.Qd8#
- 1...Qf8!
- threat
- 1.Re5?
- threat
- 2.Se8#
- 1...Qf8
- 2.g5#
- 1...S8d6
- 2.Qd8#
- 1...S4d6!
- threat
- 1.Re6+?
- 1...Kf7
- 2.Rd6#
- 2.Rexg6#
- 1...dxe6!
- 1...Kf7
- 1.Re7?
- threat
- 2.Se8#
- 2.Rf7#
- 1...Sxe7
- 2.Se8#
- 1...dxc6
- 2.Rf7#
- 1...Qf8
- 2.Rxf8#
- 1...Qg7
- 2.Se8#
- 1...Qh7
- 2.Se8#
- 1...Se5
- 2.Se8#
- 2.Bxe5#
- 1...S4d6
- 2.Be5#
- 1...S8d6!
- threat
- 1.Rxc8?
- threat
- 2.Se8#
- 1...Qf8
- 2.Rcxf8#
- 1...Sd6
- 2.Be5#
- 1...dxc6!
- threat
- 1.Rgf8+?
- 1...Kg7
- 2.Rf7#
- 1...Qxf8!
- 1...Kg7
- 1.g5+?
- 1...Qxg5
- 2.Ref8#
- 1...Kf5!
- 1...Qxg5
- 1.Bg5+?
- Keys
- 1.Re3!
- threat
- 2.Se8#
- 1...Qf8
- 2.Bg5#
- 1...S4d6
- 2.Be5#
- 1...S8d6
- 2.Qd8#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- Q(e);N_GUARD,XB(A)::R(I)
- Q(e);N_GUARD::R(I),XQ(e)
- Q(e);N_GUARD,XP(C)::R(I)
- Q(e);N_GUARD::R(I)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);OGATE::QAB(H)
- Tries
- Try
- B(A);CHECK
- Vars
- Q(e);XB(A)::R(I)
- Refutation
- B(a);XB(A)
- Try
- B(A);XQ(e)
- Threat
- DUALS(3)
- Vars
- S(b);::B(A)
- P(d);::R(I)
- Refutation
- B(a);XB(A)
- Try
- R(I);
- Threat
- S(G)
- Vars
- S(b);N_GUARD::B(A)
- S(g);OGATE::QAB(H)
- Refutation
- Q(e);
- Try
- R(I);
- Threat
- S(G)
- Vars
- S(b);N_GUARD::B(A)
- S(g);OGATE::QAB(H)
- Refutation
- Q(e);
- Try
- R(I);
- Threat
- S(G)
- Vars
- S(b);N_GUARD::B(A)
- S(g);OGATE::QAB(H)
- Refutation
- Q(e);
- Try
- R(I);
- Threat
- S(G)
- Vars
- Q(e);N_GUARD::P(B)
- S(g);OGATE::QAB(H)
- Refutation
- S(b);
- Try
- R(I);CHECK
- Refutation
- P(f);XR(I)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- S(g);XR(I)::S(G)
- P(f);XS(F)::R1(I)
- Q(e);N_GUARD::R(J),XQ(e)
- Q(e);::S(G)
- S(b);N_GUARD::B(A)
- Refutation
- S(g);
- Try
- R(I);XS(g)
- Threat
- S(G)
- Vars
- Q(e);N_GUARD::R(I),XQ(e)
- S(b);N_GUARD::B(A)
- Refutation
- P(f);XS(F)
- Try
- R(J);CHECK
- Vars
- K(c);S_FLIGHT::R1(J)
- Refutation
- Q(e);XR(J)
- Try
- P(B);CHECK
- Vars
- Q(e);XP(B)::R(I)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- R(I);
- Threat
- S(G)
- Vars
- Q(e);N_GUARD::B(A)
- S(b);N_GUARD::B(A)
- S(g);OGATE::QAB(H)
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).