MESON Chess Problem Database
Problem Display
PID: 202811 (2R5/5p2/1p5K/1p1Np1Q1/1P1k2p1/3PNp2/2Pb1p1n/1n6 w - - 0 1)
Sukhodolov, Nikolai
Zadachi i Etyudi, 2016
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...e4
- 2.Qf6#
- 1...e4
- Tries
- 1.Sf4?
- threat
- 2.Sf5#
- 1...Kxe3
- 2.Qxe5#
- 1...Bxe3
- 2.Qd8#
- 1...exf4
- 2.Qxf4#
- 1...f5
- 2.Sxf5#
- 2.Se6#
- 1...e4!
- threat
- 1.Sxb6?
- threat
- 2.Sf5#
- 1...e4
- 2.Qc5#
- 1...f5
- 2.Sxf5#
- 1...Bxe3!
- threat
- 1.Rd8?
- threat
- 2.Sf5#
- 1...Bxe3
- 2.Qxe3#
- 1...e4
- 2.Qf6#
- 1...f5
- 2.Sxf5#
- 1...Bxb4!
- threat
- 1.Qf4+?
- 1...e4
- 2.Qxe4#
- 2.Qf6#
- 1...exf4!
- 1...e4
- 1.Qxg4+?
- 1...e4
- 2.Qxe4#
- 1...Sxg4+!
- 1...e4
- 1.Sf4?
- Keys
- 1.Qd8!
- threat
- 2.Qxb6#
- 1...Bxe3+
- 2.Sf4#
- 1...Bxb4
- 2.Sf5#
- 1...e4
- 2.Qf6#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(i);OGATEB::QAB(F)
- Tries
- Try
- S(E);
- Threat
- S(C)
- Vars
- K(f);S_FLIGHT,XS(C)::QAR2(F),XP(i)
- B(b);SBLOCK,XS(C)::QAR(F)
- P(i);OGATE,XS(E)::QAR2(F),XP(i)
- Refutation
- P(i);
- Try
- S(E);XP(j)
- Threat
- S(C)
- Vars
- P(i);OGATE::QAB1(F)
- P(k);::S(C),XP(k)
- Refutation
- B(b);P_PINQ(F),XS(C)
- Try
- R(H);
- Threat
- S(C)
- Vars
- B(b);OGATE,P_PINQ(F),XS(C)::QAB1(F),XB(b)
- P(i);OGATEB::QAB(F)
- P(k);::S(C),XP(k)
- Refutation
- B(b);XP(D)
- Try
- Q(F);CHECK
- Refutation
- P(i);XQ(F)
- Try
- Q(F);CHECK,P_SPINS(C),XP(g)
- Vars
- P(i);P_SPINP(i)::QAR1(F),XP(i)
- Refutation
- S(d);CHECK,XQ(F)
- Try
- Actual
- Q(F);P_SPINS(C)
- Threat
- QAB(F),XP(j)
- Vars
- B(b);CHECK,SBLOCK,XS(C)::QAR(F)+S(E)
- B(b);N_PINS(C),XP(D)::S(C)
- P(i);OGATEB::QAB(F)
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).