MESON Chess Problem Database
Problem Display
PID: 93823 (2bR2B1/NP1rp2P/1p1NP3/3Pk1P1/1Q3nK1/2P1pPb1/q1n5/4B3 w - - 0 1)
Lacny, Ludovit
Pituk, Alexander
Sachove umeni (Ceskoslovensky sach), 1952
#2
14 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.h8Q#
- 2.h8B#
- 1...Rxd6
- 2.Qe4#
- 1...Rxb7
- 2.Sf7#
- 2.Qe4#
- 1...Rc7
- 2.Sf7#
- 2.Qe4#
- 1...Sxd5
- 2.Sc6#
- 1...exd6
- 2.Qe4#
- 1...Qxd5
- Tries
- 1.Sc4+?
- 1...Kxd5
- 2.Qb5#
- 1...Qxc4!
- 1...Kxd5
- 1.Rxd7?
- threat
- 2.Sf7#
- 2.Qe4#
- 1...Kxd5
- 2.Qb5#
- 1...Qxd5
- 2.h8Q#
- 2.h8B#
- 1...Sxb4
- 2.Sf7#
- 1...Sxd5
- 2.Sc6#
- 2.Qe4#
- 1...exd6
- 2.Qxd6#
- 2.Qe4#
- 1...Qc4
- 2.Sxc4#
- 2.Sf7#
- 1...Qa4
- 2.Sc4#
- 2.Sf7#
- 1...Sd4
- 2.Sf7#
- 2.Qxd4#
- 1...Bxd7!
- threat
- 1.Qc5?
- threat
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qxd5
- 2.Sc4#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qxa7
- 2.Sc4#
- 2.Sf7#
- 2.h8Q#
- 2.h8B#
- 1...Rxb7
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Rxd8
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Bxe1
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Bxb7
- 2.Sf7#
- 2.h8Q#
- 2.h8B#
- 1...Sxe1
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sxd5
- 2.Sc6#
- 2.Bxg3#
- 2.h8Q#
- 2.h8B#
- 1...Sxe6
- 2.Sf7#
- 2.Sc6#
- 1...exd6
- 2.Sc6#
- 1...Qc4
- 2.Sxc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qb1
- 2.Sc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qb3
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qa1
- 2.Sc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.Sc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qa3
- 2.Sc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qa4
- 2.Sf7#
- 2.h8Q#
- 2.h8B#
- 1...Qa5
- 2.Sc4#
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Qa6
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Rc7
- 2.Sf7#
- 2.h8Q#
- 2.h8B#
- 1...Bf2
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Bh2
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Bh4
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sa1
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sa3
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sb4
- 2.Sf7#
- 2.h8Q#
- 2.h8B#
- 1...Sd4
- 2.Sf7#
- 2.cxd4#
- 2.h8Q#
- 2.h8B#
- 1...Se2
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sg2
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sd3
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sh3
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sh5
- 2.Sf7#
- 2.Sc6#
- 1...Sg6
- 2.Sf7#
- 2.Sc6#
- 1...e2
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...b5
- 2.Sf7#
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...bxc5!
- threat
- 1.Qd4+?
- 1...Kxd6
- 2.Sb5#
- 2.b8Q#
- 2.b8B#
- 1...Sxd4!
- 1...Kxd6
- 1.Sc4+?
- Keys
- 1.Qb5!
- threat
- 2.Sf7#
- 1...Kxd6
- 2.b8Q#
- 2.b8B#
- 1...Qxd5
- 2.Sc4#
- 1...Rxd6
- 2.h8Q#
- 2.h8B#
- 1...Sxd5
- 2.Bxg3#
- 1...exd6
- 2.Sc6#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(a);SBLOCK,XP(F)::P=Q
- R(h);P_PINP(I),XS(H)::QAR1(D)
- S(e);SBLOCK,XP(F)::S(J)
- P(i);SBLOCK,XS(H)::QAR1(D)
- Tries
- Try
- S(H);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(h),XP(F)::QAR2(D)
- Refutation
- Q(a);XS(H)
- Try
- R(M);XR(h)
- Threat
- DUALS(2)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(F)::QAR2(D)
- Q(a);SBLOCK,XP(F)::P=Q
- S(b);XQ(D)::S(H)
- Refutation
- B(j);P_PINP(I),XR(M)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- P(i);XS(H)::S(J)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- S(b);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- S(H)
- Vars
- K(f);P_SPINR(h),S_FLIGHT,XS(H)::P=Q
- Q(a);N_GUARD,P_SPINQ(a),XP(F)::S(H)
- R(h);P_PINP(I),XS(H)::P=Q
- S(e);OGATEB,P_SPINS(e),XP(F)::B(A),XB(d)
- P(i);SBLOCK,XS(H)::S(J)
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).