MESON Chess Problem Database
Problem Display
PID: 244495 (rB1b2K1/2p2PQp/4Pp1p/2PNk1N1/1P3RP1/3p1B2/5P1q/8 w - - 0 1)
Fomichev, Evgeny Vasilevich
Problem-Forum, 2005
#2
13 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Sxc7?
- threat
- 2.Re4#
- 1...Kxf4
- 2.Sd5#
- 1...Bxc7
- 2.Qxf6#
- 1...Qxf4!
- threat
- 1.Se7?
- threat
- 2.Re4#
- 2.Qxf6#
- 1...Kxf4
- 2.Qxf6#
- 1...Qxf4
- 2.Sc6#
- 1...Bxe7!
- threat
- 1.Rxf6?
- threat
- 2.Rf5#
- 1...Kd4
- 2.Rf4#
- 1...Bxf6
- 2.Qxf6#
- 1...hxg5!
- threat
- 1.Qxh7?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...Qxf4!
- threat
- 1.Sxc7?
- Keys
- 1.Sxf6!
- threat
- 2.Re4#
- 1...Kxf4
- 2.Sd5#
- 1...Qxf4
- 2.Sd7#
- 1...Bxf6
- 2.Qxf6#
- threat
- 1.Sxf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);XP(f)
- Threat
- R1(D)
- Vars
- K(c);N_SPINP(d),S_FLIGHT,XR(D)::B(L)+S(G),DCHECK
- B(i);N_GUARD,P_PINB(L),P_SPINB(i),XS(G)::QAB1(K),XP(d)
- Refutation
- Q(a);XR(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINP(d),P_SPINP(f),S_FLIGHT,XR(D)::QAR2(K),XP(d)
- Q(a);SBLOCK,XR(D)::S(G)
- Refutation
- B(i);P_PINB(L),XS(G)
- Try
- R(D);P_PINP(f),XP(d)
- Threat
- QAB(K)+R(D),DCHECK
- Vars
- K(c);N_SPINP(f),S_FLIGHT::QAB(K)+R(D),DCHECK
- B(i);OGATE,P_PINB(L),P_SPINB(i),XR(D)::QAB1(K),XB(i)
- Refutation
- P(e);XS(H)
- Try
- Q(K);N_PINP(d),P_PINP(f),XP(g)
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(K),XP(d)
- Refutation
- Q(a);XR(D)
- Try
- Actual
- S(G);P_PINP(f),XP(d)
- Threat
- R1(D)
- Vars
- K(c);S_FLIGHT,XR(D)::S(G)
- Q(a);SBLOCK,XR(D)::QAB(K)+S(G),DCHECK
- B(i);OGATE,P_PINB(L),P_SPINB(i),XS(G)::QAB1(K),XB(i)
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).