MESON Chess Problem Database
Problem Display
PID: 185951 (n7/1P3N2/1p6/1R1P1p2/K3kr2/pN1pbn2/6qB/4RBrQ w - - 0 1)
Pituk, Alexander
Freie Presse, 2000
(First published on Fri Mar 31 2000)
#2
10 + 11
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Sd6#
- 1...Rh4
- 2.Sd6#
- 1...Sd4
- 2.Sd2#
- 1...Se5
- 2.Sg5#
- 1...Rg4
- Tries
- 1.d6?
- threat
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qxf1
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qxh1
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qxh2
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxf1
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rxh1
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sxe1
- 2.Sg5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sxh2
- 2.Sg5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sd2
- 2.Sg5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sd4
- 2.Sd2#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qh3
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qa2
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qb2
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qc2
- 2.Re5#
- 1...Qd2
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qe2
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qf2
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg3
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg4
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg5
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg6
- 2.Re5#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg7
- 2.bxa8Q#
- 2.bxa8B#
- 1...Qg8
- 2.Re5#
- 1...Rg4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rh4
- 2.bxa8Q#
- 2.bxa8B#
- 1...a2
- 2.bxa8Q#
- 2.bxa8B#
- 1...d2
- 2.bxa8Q#
- 2.bxa8B#
- 1...Sc7!
- threat
- 1.bxa8B?
- threat
- 2.d6#
- 1...Sd4
- 2.Sd2#
- 1...Se5
- 2.Sg5#
- 1...Qg8
- 2.Rb4#
- 1...Qc2!
- threat
- 1.b8Q?
- threat
- 2.Qxf4#
- 1...Qxh2
- 2.Qe5#
- 2.Qe8#
- 1...Sxe1
- 2.Sg5#
- 1...Sxh2
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 1...Qe2
- 2.Qe5#
- 2.Qe8#
- 1...Qg3
- 2.Qe5#
- 2.Qe8#
- 1...Qg4
- 2.Qe5#
- 2.Qe8#
- 1...Qg5
- 2.Qe5#
- 1...Rg4
- 2.Sd6#
- 1...Rh4
- 2.Sd6#
- 1...Sc7!
- threat
- 1.d6?
- Keys
- 1.bxa8Q!
- threat
- 2.d6#
- 1...Sd4
- 2.Sd2#
- 1...Se5
- 2.Sg5#
- 1...Qc2
- 2.Qe8#
- 1...Qg8
- 2.Rb4#
- threat
- 1.bxa8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(h);::S(J)
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(E)
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(J)
- Tries
- Try
- P(H);
- Threat
- PXS(k)=Q
- Vars
- Q(b);XQ(C)::PXS(k)=Q
- R(a);XB(B)::PXS(k)=Q
- R(a);XQ(C)::PXS(k)=Q
- S(f);N_GUARD,P_SPINQ(b)::S(J)
- Q(b);P_SPINS(f)::PXS(k)=Q
- Q(b);P_PINS(E),P_SPINS(f)::R1(G)
- Q(b);P_SPINS(f)::R1(G)
- R(h);::PXS(k)=Q
- P(c);::PXS(k)=Q
- P(d);::PXS(k)=Q
- Refutation
- S(k);
- Try
- P(I);XS(k)
- Threat
- B(I)+P(H)
- Vars
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(E)
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(J)
- Q(b);P_SPINS(f)::R(G)
- Refutation
- Q(b);P_PINS(E),P_SPINS(f)
- Try
- P(I);
- Threat
- QAR1(I),XR(h)
- Vars
- S(f);N_GUARD,N_SPINB(e),P_SPINQ(b),XR(A)::S(J)
- S(f);N_GUARD,P_SPINQ(b),XB(D)::S(J)
- S(f);N_GUARD,P_SPINQ(b)::S(J)
- Q(b);P_SPINS(f)::QAR1(I)
- R(h);::S(J)
- Refutation
- S(k);
- Try
- Actual
- P(I);XS(k)
- Threat
- QAB(I)+P(H)
- Vars
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(E)
- S(f);N_GUARD,P_SPINQ(b),SBLOCK::S(J)
- Q(b);P_PINS(E),P_SPINS(f)::QAR(I)
- Q(b);P_SPINS(f)::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).