MESON Chess Problem Database
Problem Display
PID: 274755 (b1r1r3/1n2b3/6N1/1pB4R/1pk2PR1/3p4/4N1B1/3Q3K w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Springaren, 1992
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.f5#
- 1...Bxc5
- 2.Bd5#
- 1...Sxc5
- 2.Se5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Qc2#
- 1...b3
- 2.Qc1#
- 1...Rxc5
- Tries
- 1.Bg1?
- threat
- 2.Se5#
- 2.Bd5#
- 2.f5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 1...b3
- 2.f5#
- 1...Rc5
- 2.f5#
- 1...Rcd8
- 2.Se5#
- 1...Red8
- 2.Se5#
- 1...Bh4
- 2.Bd5#
- 1...Bc5
- 2.Bd5#
- 1...Bd6
- 2.Bd5#
- 1...Bf6
- 2.Bd5#
- 1...Bd8
- 2.Bd5#
- 1...Bf8
- 2.Bd5#
- 1...Sa5
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Bg5!
- threat
- 1.Bf2?
- threat
- 2.Se5#
- 2.Bd5#
- 2.f5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 1...b3
- 2.f5#
- 1...Rc5
- 2.f5#
- 1...Rcd8
- 2.Se5#
- 1...Red8
- 2.Se5#
- 1...Bh4
- 2.Bd5#
- 1...Bc5
- 2.Bd5#
- 1...Bd6
- 2.Bd5#
- 1...Bf6
- 2.Bd5#
- 1...Bd8
- 2.Bd5#
- 1...Bf8
- 2.Bd5#
- 1...Sa5
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Bg5!
- threat
- 1.Be3?
- threat
- 2.Se5#
- 2.Bd5#
- 2.f5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 1...b3
- 2.f5#
- 1...Rc5
- 2.f5#
- 1...Rcd8
- 2.Se5#
- 1...Red8
- 2.Se5#
- 1...Bh4
- 2.Bd5#
- 1...Bc5
- 2.Bd5#
- 1...Bd6
- 2.Bd5#
- 1...Bf6
- 2.Bd5#
- 1...Bd8
- 2.Bd5#
- 1...Bf8
- 2.Bd5#
- 1...Sa5
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Bg5!
- threat
- 1.Bb6?
- threat
- 2.Se5#
- 2.Bd5#
- 2.f5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 1...b3
- 2.f5#
- 1...Rc5
- 2.f5#
- 1...Rcd8
- 2.Se5#
- 1...Red8
- 2.Se5#
- 1...Bh4
- 2.Bd5#
- 1...Bc5
- 2.Bd5#
- 1...Bd6
- 2.Bd5#
- 1...Bf6
- 2.Bd5#
- 1...Bd8
- 2.Bd5#
- 1...Bf8
- 2.Bd5#
- 1...Sa5
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Bg5!
- threat
- 1.Ba7?
- threat
- 2.Se5#
- 2.Bd5#
- 2.f5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 1...b3
- 2.f5#
- 1...Rc5
- 2.f5#
- 1...Rcd8
- 2.Se5#
- 1...Red8
- 2.Se5#
- 1...Bh4
- 2.Bd5#
- 1...Bc5
- 2.Bd5#
- 1...Bd6
- 2.Bd5#
- 1...Bf6
- 2.Bd5#
- 1...Bd8
- 2.Bd5#
- 1...Bf8
- 2.Bd5#
- 1...Sa5
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...Bg5!
- threat
- 1.Rd5?
- threat
- 2.Se5#
- 2.Qxd3#
- 2.f5#
- 1...Bxc5
- 2.Qxd3#
- 1...Sxc5
- 2.Se5#
- 2.Rd4#
- 1...dxe2
- 2.Qc2#
- 2.Qd3#
- 1...Bg5
- 2.Qxd3#
- 1...Bh4
- 2.Qxd3#
- 1...Bd6
- 2.Qxd3#
- 1...Bf6
- 2.Qxd3#
- 1...Bd8
- 2.Qxd3#
- 1...Bf8
- 2.Qxd3#
- 1...Sd6
- 2.Se5#
- 2.Qxd3#
- 1...d2
- 2.Se5#
- 2.Qc2#
- 2.f5#
- 1...Rh8+!
- threat
- 1.Qa4?
- threat
- 2.Qxb4#
- 1...Rxc5
- 2.f5#
- 1...Bxc5
- 2.Bd5#
- 1...Sxc5
- 2.Se5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Qc2#
- 1...bxa4!
- threat
- 1.Bg1?
- Keys
- 1.Qb1!
- threat
- 2.Qxb4#
- 1...Rxc5
- 2.f5#
- 1...Bxc5
- 2.Bd5#
- 1...Sxc5
- 2.Se5#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Qc2#
- 1...b3
- 2.Qc1#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK,XB(G)::R(F)+P(E)
- B(f);SBLOCK,XB(G)::B(D)
- S(e);P_PINB(D),SBLOCK,XB(G)::S(I)
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(a);N_GUARD::QAR2(A)
- P(b);SBLOCK::QAR(A)
- Tries
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(b);::R(F)+P(E)
- R(h);::R(F)+P(E)
- R(h);::S(I)
- R(i);::S(I)
- B(f);::B(D)
- S(e);P_PINB(D)::S(I)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(b);::R(F)+P(E)
- R(h);::R(F)+P(E)
- R(h);::S(I)
- R(i);::S(I)
- B(f);::B(D)
- S(e);P_PINB(D)::S(I)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(b);::R(F)+P(E)
- R(h);::R(F)+P(E)
- R(h);::S(I)
- R(i);::S(I)
- B(f);::B(D)
- S(e);P_PINB(D)::S(I)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(b);::R(F)+P(E)
- R(h);::R(F)+P(E)
- R(h);::S(I)
- R(i);::S(I)
- B(f);::B(D)
- S(e);P_PINB(D)::S(I)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(b);::R(F)+P(E)
- R(h);::R(F)+P(E)
- R(h);::S(I)
- R(i);::S(I)
- B(f);::B(D)
- S(e);P_PINB(D)::S(I)
- Refutation
- B(f);
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- B(f);XB(G)::QAB1(A),XP(a)
- B(f);::QAB1(A),XP(a)
- Refutation
- R(i);CHECK
- Try
- Q(A);P_PINP(b)
- Threat
- QAR1(A),XP(b)
- Vars
- R(h);SBLOCK,XB(G)::R(F)+P(E)
- B(f);SBLOCK,XB(G)::B(D)
- S(e);P_PINB(D),SBLOCK,XB(G)::S(I)
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(a);N_GUARD::QAR2(A)
- Refutation
- P(d);N_SPINP(b),XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- R(h);SBLOCK,XB(G)::R(F)+P(E)
- B(f);SBLOCK,XB(G)::B(D)
- S(e);P_PINB(D),SBLOCK,XB(G)::S(I)
- P(a);N_GUARD,XS(C)::QAR2(A)
- P(a);N_GUARD::QAR2(A)
- P(b);SBLOCK::QAR(A)
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).