MESON Chess Problem Database
Problem Display
PID: 163982 (8/2K1R1p1/b2B1pp1/2pk3P/3N1n1R/1P2P2Q/8/4n3 w - - 0 1)
Janevski, Zivko
Springaren, 2013
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qf3#
- 1...Seg2
- 2.Qf3#
- 1...Sed3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Se2
- 2.Qe6#
- 1...Sfg2
- 2.Qe6#
- 1...Sfd3
- 2.Qe6#
- 1...Sxh5
- 2.Qe6#
- 1...Se6+
- 2.Qxe6#
- 1...cxd4
- 2.e4#
- 1...f5
- 2.Re5#
- 1...gxh5
- 2.Qf5#
- 1...g5
- 2.Qf5#
- 1...Sc2
- Tries
- 1.Sc2?
- threat
- 2.e4#
- 1...Se6+
- 2.Qxe6#
- 1...Sxc2
- 2.Qf3#
- 1...f5
- 2.Re5#
- 1...Bd3!
- threat
- 1.Se2?
- threat
- 2.Sc3#
- 2.Sxf4#
- 2.e4#
- 1...Se6+
- 2.Qxe6#
- 1...Sxe2
- 2.Qe6#
- 1...Sxh3
- 2.Sc3#
- 2.e4#
- 1...Sxh5
- 2.Sc3#
- 2.Qe6#
- 2.e4#
- 1...Bd3
- 2.Sc3#
- 2.Sxf4#
- 1...Seg2
- 2.Sc3#
- 2.Qf3#
- 2.e4#
- 1...Sed3
- 2.Sc3#
- 2.Qf3#
- 2.e4#
- 1...Sfg2
- 2.Sc3#
- 2.Qe6#
- 2.e4#
- 1...Sfd3
- 2.Sc3#
- 2.Qe6#
- 2.e4#
- 1...f5
- 2.Sc3#
- 2.Sxf4#
- 2.Re5#
- 1...g5
- 2.Sc3#
- 2.Qf5#
- 2.e4#
- 1...Bxe2!
- threat
- 1.Sf3?
- threat
- 2.e4#
- 1...Se6+
- 2.Qxe6#
- 1...Sxf3
- 2.Qxf3#
- 1...f5
- 2.Re5#
- 1...Bd3!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.e4#
- 1...Se6+
- 2.Qxe6#
- 1...Se2
- 2.Qe6#
- 2.e4#
- 1...f5
- 2.Sc3#
- 2.Re5#
- 1...Bxb5!
- threat
- 1.Sc6?
- threat
- 2.e4#
- 1...Se6+
- 2.Qxe6#
- 1...f5
- 2.Re5#
- 1...Bd3!
- threat
- 1.Rxf4?
- threat
- 2.Qe6#
- 1...f5
- 2.Re5#
- 1...Bc8!
- threat
- 1.Qd7?
- threat
- 2.Bxf4#
- 2.Qc6#
- 1...Se6+
- 2.Qxe6#
- 1...Sxh5
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Qc6#
- 2.Qe6#
- 1...cxd4
- 2.Ba3#
- 2.Bb4#
- 2.Qc6#
- 2.e4#
- 1...Bb7
- 2.Bxf4#
- 1...Bc8
- 2.Qc6#
- 1...Se2
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Qc6#
- 2.Qe6#
- 1...Sfg2
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Qc6#
- 2.Qe6#
- 1...Sfd3
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Qc6#
- 2.Qe6#
- 1...Sh3
- 2.Bh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Qc6#
- 2.Qe6#
- 1...c4
- 2.Ba3#
- 2.Bb4#
- 2.Qc6#
- 1...Bb5!
- threat
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Sxf4#
- 1...Sxe6+
- 2.Qxe6#
- 1...Ke4
- 2.Sxf4#
- 1...Sxh3
- 2.e4#
- 1...Sxh5
- 2.e4#
- 1...Seg2
- 2.Qf3#
- 1...Sed3
- 2.Qf3#
- 1...Se2
- 2.e4#
- 1...Sfg2
- 2.e4#
- 1...Sfd3
- 2.e4#
- 1...g5
- 2.Qf5#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD,XP(F)::QAB1(C)
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- P(c);SBLOCK,XS(D)::P(B)
- P(f);N_GUARD::R1(I)
- P(g);N_GUARD,XP(F)::QAR2(C)
- P(g);N_GUARD::QAR2(C)
- Tries
- Try
- S(D);
- Threat
- P(B)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- S(a);N_GUARD,XS(D)::QAB(C)
- P(f);N_GUARD::R1(I)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD,XS(D)::QAB1(C)
- Refutation
- B(e);XS(D)
- Try
- S(D);
- Threat
- P(B)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- S(a);OGATE,XS(D)::QAB(C),XS(a)
- P(f);N_GUARD::R1(I)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- Refutation
- B(e);XS(D)
- Try
- S(D);
- Threat
- P(B)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- P(f);N_GUARD::R1(I)
- Refutation
- B(e);
- Try
- R(E);XS(b)
- Threat
- QAB1(C)
- Vars
- P(f);N_GUARD::R1(I)
- Refutation
- B(e);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(C),XS(b)
- B(e);::QAR(C)+B(G),XS(b)
- B(e);::QAB1(C)
- Refutation
- B(e);
- Try
- Actual
- S(D);
- Threat
- S(D),XS(b)
- Vars
- S(b);CHECK,OGATE,XS(D)::QAB1(C),XS(b)
- K(d);P_SPINS(b),S_FLIGHT::R(I)+S(D),XS(b)
- S(b);XQ(C)::P(B)
- S(b);XP(F)::P(B)
- S(a);N_GUARD::QAB(C)
- S(b);::P(B)
- P(g);N_GUARD::QAR2(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).