MESON Chess Problem Database
Problem Display
PID: 39673 (5b1Q/p1Rp3K/p2pP3/Bk1N1B1R/pPb4n/r2p4/8/8 w - - 0 1)
Pilchenko, Viacheslav Karlovich
1/3 Place=, Match: Vostok - Zapad (Shakhmatnaya kompozitsiya), 2000
#2
9 + 11
| 145 | StrateGems | 2001 |
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc3#
- 1...Ra2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Bb3
- 2.Sc3#
- 1...Bh6
- 2.Qb8#
- 1...Be7
- 2.Qb8#
- 1...Bg7
- 2.Qb8#
- 1...Ra1
- Tries
- 1.Se7?
- threat
- 2.Rb7#
- 1...Bxe6
- 2.Bxd3#
- 1...Bxe7
- 2.Qb8#
- 1...Ba2
- 2.Bxd3#
- 1...Bb3
- 2.Bxd3#
- 1...Bd5!
- threat
- 1.Bxd3?
- threat
- 2.Sc3#
- 2.Bxc4#
- 1...Rxd3
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5
- 2.Bxc4#
- 1...Bxd3+!
- threat
- 1.Bh3?
- threat
- 2.Sc3#
- 1...Bxd5
- 2.Rxd5#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5!
- threat
- 1.Be4?
- threat
- 2.Sc3#
- 1...Bxd5
- 2.Rxd5#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5!
- threat
- 1.Bg4?
- threat
- 2.Sc3#
- 1...Bxd5
- 2.Rxd5#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5!
- threat
- 1.Bg6?
- threat
- 2.Sc3#
- 1...Bxd5
- 2.Rxd5#
- 1...Rc3
- 2.Sxc3#
- 1...Sf5!
- threat
- 1.Qd4?
- threat
- 2.Qxc4#
- 1...Bxd5
- 2.Qxd5#
- 1...Rc3
- 2.Sxc3#
- 1...Bb3
- 2.Sc3#
- 1...Ba2!
- threat
- 1.Qe5?
- threat
- 2.Sc3#
- 1...Bxd5
- 2.Qxd5#
- 1...Rc3
- 2.Sxc3#
- 1...dxe5!
- threat
- 1.Se7?
- Keys
- 1.Qc3!
- threat
- 2.Qxc4#
- 1...Rxc3
- 2.Sxc3#
- 1...Bxd5
- 2.Bxd3#
- 1...Ba2
- 2.Rb7#
- 1...Bb3
- 2.Rb7#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- B(d);S_CUTR(a)::S(C)
- B(k);OGATE::QAR(I)
- Tries
- Try
- S(C);
- Threat
- R(G)
- Vars
- B(d);XP(F)::R(E)+B(D),DCHECK,XP(b)
- B(k);OGATE,XS(C)::QAR(I)
- B(d);::R(E)+B(D),DCHECK,XP(b)
- Refutation
- B(d);
- Try
- B(D);P_PINB(d),XP(b)
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINB(d),XB(D)::R(E)+S(C),DCHECK
- R(a);::R(E)+S(C),DCHECK,XR(a)
- S(e);::B(D),XB(d)
- Refutation
- B(d);CHECK,N_SPINB(d),XB(D)
- Try
- B(D);
- Threat
- R(E)+S(C),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XS(C)::R(E),XB(d)
- R(a);::R(E)+S(C),DCHECK,XR(a)
- Refutation
- S(e);
- Try
- B(D);
- Threat
- R(E)+S(C),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XS(C)::R(E),XB(d)
- R(a);::R(E)+S(C),DCHECK,XR(a)
- Refutation
- S(e);
- Try
- B(D);
- Threat
- R(E)+S(C),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XS(C)::R(E),XB(d)
- R(a);::R(E)+S(C),DCHECK,XR(a)
- Refutation
- S(e);
- Try
- B(D);
- Threat
- R(E)+S(C),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XS(C)::R(E),XB(d)
- R(a);::R(E)+S(C),DCHECK,XR(a)
- Refutation
- S(e);
- Try
- Q(I);
- Threat
- QAB1(I),XB(d)
- Vars
- B(d);OGATE,XS(C)::QAR2(I),XB(d)
- R(a);N_GUARD::S(C),XR(a)
- B(d);S_CUTR(a)::S(C)
- Refutation
- B(d);
- Try
- Q(I);
- Threat
- QAR(I)+S(C),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),XS(C)::QAR2(I),XB(d)
- R(a);::QAR(I)+S(C),DCHECK,XR(a)
- Refutation
- P(h);XQ(I)
- Try
- Actual
- Q(I);
- Threat
- QAB1(I),XB(d)
- Vars
- R(a);XQ(I)::S(C),XR(a)
- B(d);OGATEB,XS(C)::B(D),XP(b)
- B(d);::R(G)
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).