MESON Chess Problem Database
Problem Display
PID: 7651 (n1Q1N3/1pb1p3/1p2N1p1/4kbrR/4P3/2PP2p1/5R2/Kn2B3 w - - 0 1)
Erokhin, Vladimir Alekseevich
Comm., Phenix, 1992
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Sxc3
- 2.Bxc3#
- 1...Sxc3
- Tries
- 1.Sxg5?
- threat
- 2.Sf7#
- 2.d4#
- 1...Bxe4
- 2.Sf7#
- 2.Qe6#
- 1...Bxc8
- 2.d4#
- 1...Sxc3
- 2.Bxc3#
- 1...Bd7
- 2.d4#
- 1...gxf2!
- threat
- 1.Rxf5+?
- 1...Rxf5
- 2.Bxg3#
- 1...gxf5!
- 1...Rxf5
- 1.Qxb7?
- threat
- 2.Qd5#
- 1...Kxe6
- 2.Qd5#
- 1...Bxe4
- 2.Qxe4#
- 1...Bxe6
- 2.d4#
- 1...Sxc3!
- threat
- 1.Qd7?
- threat
- 2.Qd5#
- 1...Bxe4
- 2.d4#
- 1...Bxe6
- 2.Qd4#
- 1...Sxc3
- 2.Bxc3#
- 1...Bd6!
- threat
- 1.Sxg5?
- Keys
- 1.Re2!
- threat
- 2.d4#
- 1...Bxe4
- 2.Rxg5#
- 1...Bxe6
- 2.Bxg3#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);OGATE,XP(D)::B(B),XS(a)
- Tries
- Try
- S(H);XR(e)
- Threat
- DUALS(2)
- Vars
- B(d);XQ(I)::P(E)
- S(a);OGATE,XP(D)::B(B),XS(a)
- B(d);::P(E)
- Refutation
- P(b);XR(C)
- Try
- R(C);CHECK,XB(d)
- Vars
- R(e);P_SPINR(e),XR(C)::B(B),XP(b)
- Refutation
- P(g);XR(C)
- Try
- Q(I);XP(h)
- Threat
- QAR1(I)
- Vars
- K(c);P-FLIGHT,XS(H)::QAB1(I)
- B(d);OGATE,P_SPINR(e),XP(F)::QAR1(I),XB(d)
- B(d);P_SPINR(e),SBLOCK,XS(H)::P(E)
- Refutation
- S(a);XP(D)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- B(d);P_SPINR(e),SBLOCK,XP(F)::P(E)
- B(d);P_SPINR(e),SBLOCK,XS(H)::QAB1(I)
- S(a);OGATE,XP(D)::B(B),XS(a)
- Refutation
- B(i);
- Try
- Actual
- R(C);
- Threat
- P(E)
- Vars
- B(d);OGATEB,P_SPINB(d),P_SPINR(e),XP(F)::R(G),XR(e)
- B(d);P_SPINR(e),XS(H)::B(B),XP(b)
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).