MESON Chess Problem Database
Problem Display
PID: 253619 (4Rb2/1KBk1P1R/1p1Nb3/3p1p2/4P3/7B/8/1r6 w - - 0 1)
Tkachenko, Sergiy Ivanovich
Vasilenko, Anatoly Grigorovich
Problemist Ukraini, 2021
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxf7
- 2.Bxf5#
- 1...Bh6
- 2.f8S#
- 1...Be7
- 2.f8S#
- 1...Bg7
- 2.f8S#
- 1...fxe4
- 2.Bxe6#
- 1...f4
- 2.Bxe6#
- 1...Bxf7
- Tries
- 1.Sc8?
- threat
- 2.Rd8#
- 1...Be7
- 2.Rxe7#
- 1...Bxf7!
- threat
- 1.Bxf5?
- threat
- 2.Bxe6#
- 1...Be7
- 2.f8S#
- 1...Bxf5!
- threat
- 1.Re7+?
- 1...Bxe7
- 2.f8S#
- 1...Kxe7!
- 1...Bxe7
- 1.exf5?
- threat
- 2.fxe6#
- 1...Bxf5
- 2.Bxf5#
- 1...Bxf7
- 2.f6#
- 1...Re1!
- threat
- 1.Sc8?
- Keys
- 1.Sxf5!
- threat
- 2.Rd8#
- 1...Bxf5
- 2.Bxf5#
- 1...Bxf7
- 2.Sd6#
- 1...Be7
- 2.Rxe7#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(e);OGATEB,P_SPINB(e),P_SPINP(c),XP(F)::B(A),XP(c)
- B(g);OGATE::P=S
- P(c);OGATE,P_SPINB(e),XP(B)::B(A),XB(e)
- P(c);OGATE,P_SPINB(e)::B(A),XB(e)
- Tries
- Try
- S(C);
- Threat
- R1(H)
- Vars
- B(g);N_GUARD::R1(H),XB(g)
- Refutation
- B(e);P_SPINB(e),P_SPINP(c),XP(F)
- Try
- B(A);P_PINB(e),XP(c)
- Threat
- B(A),XB(e)
- Vars
- B(g);OGATE::P=S
- Refutation
- B(e);N_SPINB(e),XB(A)
- Try
- R(H);CHECK
- Vars
- B(g);OGATE,XR(H)::P=S
- Refutation
- K(f);P-FLIGHT,XR(H)
- Try
- P(B);XP(c)
- Threat
- P(B),XB(e)
- Vars
- B(e);OGATE,P_SPINB(e),XP(B)::B(A),XB(e)
- B(e);P_SPINB(e),XP(F)::B(A)+P(B)
- Refutation
- R(a);
- Try
- Actual
- S(C);XP(c)
- Threat
- R1(H)
- Vars
- B(e);OGATE,P_SPINB(e),XS(C)::B(A),XB(e)
- B(e);P_SPINB(e),XP(F)::B(A)+S(C)
- B(g);N_GUARD::R1(H),XB(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).