MESON Chess Problem Database
Problem Display
PID: 206627 (2B3r1/1p2PQ2/1Bp3Pq/4p1rp/3Pk1p1/3R2bN/2K5/8 w - - 0 1)
Labai, Zoltan
2nd Comm., Sachmatija, 2019
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Sxg5#
- 1...Qf8
- 2.Sxg5#
- 1...Qh7
- 2.Sxg5#
- 1...Qh8
- 2.Sxg5#
- 1...Rf5
- 2.Bxf5#
- 1...R5xg6
- 2.Bf5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Bf4
- 2.Sf2#
- 1...gxh3
- 2.Qf3#
- 1...c5
- 2.Bxb7#
- 1...Qg7
- Tries
- 1.d5?
- threat
- 2.Re3#
- 1...R5xg6
- 2.Bf5#
- 2.Qf5#
- 1...Rf5
- 2.Bxf5#
- 2.Qxf5#
- 1...Bf2
- 2.Sxf2#
- 1...Bf4
- 2.Sf2#
- 1...c5!
- threat
- 1.d5?
- Keys
- 1.dxe5!
- threat
- 2.Re3#
- 1...Kxe5
- 2.Qe6#
- 1...Rxe5
- 2.Qc4#
- 1...R5xg6
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Bf2
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...c5
- 2.Qd5#
- threat
- 1.dxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(h);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::B(I),XR(e)
- R(e);N_GUARD,XP(F)::B(I)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- P(c);N_GUARD,XS(C)::QAB1(H)
- P(g);OGATEB::B(I),XP(i)
- Tries
- Try
- P(D);
- Threat
- R1(B)
- Vars
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(C)
- Refutation
- P(g);
- Try
- Actual
- P(D);XP(d)
- Threat
- R1(B)
- Vars
- K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(H)
- R(e);SBLOCK,XP(D)::QAR2(H)
- R(e);N_GUARD,XP(F)::QAB1(H)
- R(e);N_GUARD::QAB1(H),XR(e)
- B(a);N_GUARD::QAR1(H)
- B(a);N_GUARD::QAR1(H),XB(a)
- P(g);N_GUARD::QAB1(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).