MESON Chess Problem Database
Problem Display
PID: 265828 (n4B2/N4p2/1p2p3/p2kp3/1P1P4/1R3P2/2K1B3/Q7 w - - 0 1)
Novitski, Petr Adrinovich
Tkachenko, Sergiy Ivanovich
StrateGems, 2022
#2
9 + 7
SOLUTION
- SOUND
- Tries
- 1.Rd3?
- threat
- 2.Qa2#
- 1...Kc4
- 2.Qa2#
- 1...exd4
- 2.Qxd4#
- 1...axb4!
- threat
- 1.Re3?
- threat
- 2.Rxe5#
- 1...exd4
- 2.Qa2#
- 1...e4
- 2.fxe4#
- 1...f6!
- threat
- 1.Qc3?
- threat
- 2.Bc4#
- 2.Qc4#
- 1...b5
- 2.Qc5#
- 1...exd4!
- threat
- 1.Qa4?
- threat
- 2.Qd7#
- 1...Kxd4
- 2.Qd7#
- 1...exd4
- 2.Qb5#
- 1...b5!
- threat
- 1.Qxa5+?
- 1...Kxd4
- 2.Sc6#
- 1...b5
- 2.Qd8#
- 1...bxa5!
- 1...Kxd4
- 1.bxa5?
- threat
- 2.Rb5#
- 1...b5
- 2.Rxb5#
- 1...Sc7!
- threat
- 1.Rd3?
- Keys
- 1.Qa2!
- threat
- 2.Rd3#
- 1...Kxd4
- 2.Rd3#
- 1...axb4
- 2.Rxb4#
- 1...exd4
- 2.Re3#
- threat
- 1.Qa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- K(b);S_FLIGHT::QAB(A)
- P(c);OGATE,P_SPINP(c),XP(G)::QAR1(A),XP(c)
- Refutation
- P(a);XP(F)
- Try
- R(D);
- Threat
- R1(D),XP(c)
- Vars
- P(c);SBLOCK,XP(G)::QAB(A)
- P(c);OGATE::P(E),XP(c)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(d);N_GUARD::QAR1(A)
- Refutation
- P(c);XP(G)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(b);P-FLIGHT,XP(G)::QAR(A)
- P(c);SBLOCK,XP(G)::QAR2(A)
- Refutation
- P(d);
- Try
- Q(A);CHECK,XP(a)
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTP(d),S_CUTP(d),XP(G)::S(H)
- P(d);OGATE,P_SPINP(d)::QAR(A)
- Refutation
- P(d);XQ(A)
- Try
- P(F);XP(a)
- Threat
- R(D)
- Vars
- P(d);::R(D),XP(d)
- Refutation
- S(g);
- Try
- Actual
- Q(A);
- Threat
- QAB(A)+R(D)
- Vars
- K(b);P-FLIGHT,XP(G)::R1(D)
- P(a);OGATE,XP(F)::QAB(A)+R(D),XP(a)
- P(c);SBLOCK,XP(G)::QAB(A)+R(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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