MESON Chess Problem Database
Problem Display
PID: 261225 (6K1/5RN1/Q3p1kp/R2B1b1N/4p1pb/5Ppq/8/2B5 w - - 0 1)
Vasilenko, Anatoly Grigorovich
1/3 Prize, Problemist Ukraini, 2020
#2
9 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bf6
- 2.Rxf6#
- 1...Bf6
- Tries
- 1.Bxe4?
- threat
- 2.Bxf5#
- 1...Bxe4
- 2.Sf4#
- 1...Bf6
- 2.Rxf6#
- 1...gxf3!
- threat
- 1.Bxe6?
- threat
- 2.Bxf5#
- 1...Bxe6
- 2.Sf4#
- 1...e3!
- threat
- 1.Qxe6+?
- 1...Bf6
- 2.Rxf6#
- 2.Qxf5#
- 2.Qxf6#
- 1...Bxe6!
- 1...Bf6
- 1.fxe4?
- threat
- 2.exf5#
- 1...Bxe4
- 2.Bxe4#
- 1...Bf6
- 2.Rxf6#
- 1...Qf1!
- threat
- 1.Bxe4?
- Keys
- 1.Sxe6!
- threat
- 2.Shf4#
- 1...Kxh5
- 2.Sg7#
- 1...Bxe6
- 2.Bxe4#
- 1...Bg5
- 2.Sef4#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD,N_SPINP(g)::R1(G),XB(e)
- Tries
- Try
- B(D);P_PINB(f),XP(c)
- Threat
- B(D),XB(f)
- Vars
- B(f);N_SPINB(f),XB(D)::S(E)
- B(e);N_GUARD,N_SPINP(g)::R1(G),XB(e)
- Refutation
- P(d);XP(B)
- Try
- B(D);XP(g)
- Threat
- QAR(F)+B(D),DCHECK,XB(f)
- Vars
- B(f);P_PINR(G),P_SPINB(f),XB(D)::S(E)
- Refutation
- P(c);
- Try
- Q(F);CHECK,XP(g)
- Refutation
- B(f);P_PINR(G),XQ(F)
- Try
- P(B);XP(c)
- Threat
- P(B),XB(f)
- Vars
- B(f);OGATE,XP(B)::B(D),XB(f)
- B(e);N_GUARD,N_SPINP(g)::R1(G),XB(e)
- Refutation
- Q(b);
- Try
- Actual
- S(H);XP(g)
- Threat
- S(E)
- Vars
- K(h);S_CUTB(e),S_CUTB(f),S_FLIGHT,XS(E)::S(H)
- B(f);OGATEB,P_PINR(G),P_SPINB(f),XS(H)::B(D),XP(c)
- B(e);SBLOCK::QAR(F)+S(H),DCHECK
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).