MESON Chess Problem Database
Problem Display
PID: 45154 (5N2/1r3P2/Rb1N2Kp/1p2k1p1/3R2Q1/1n6/B1pr1p2/2B1q3 w - - 0 1)
Lacny, Ludovit
2/3 Place, 04. WCCT, 1989-1992
#2
9 + 11
| 3681 | FIDE Album (1992-1994) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qxc1
- 2.Qe4#
- 1...Qd1
- 2.Qe4#
- 1...Qf1
- 2.Qe4#
- 1...Qg1
- 2.Qe4#
- 1...Qe4+
- 2.Qxe4#
- 1...Rxd4
- 2.Qe6#
- 1...Rd7
- 2.Sxd7#
- 1...Rxf7
- 2.Sxf7#
- 1...Rb8
- 2.Sd7#
- 1...Bxd4
- 2.Qf5#
- 1...Bc7
- 2.Sd7#
- 1...Sxd4
- 2.Qg3#
- 1...b4
- 2.Sc4#
- 1...Qxc1
- Tries
- 1.Sxb5?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qg3#
- 1...Qe4+
- 2.Qxe4#
- 1...Rxd4
- 2.Qf5#
- 2.Qe6#
- 1...Rxf7
- 2.Qe6#
- 1...Bxd4
- 2.Qf5#
- 1...f1Q
- 2.Qe6#
- 1...f1S
- 2.Qf5#
- 2.Qe6#
- 1...f1B
- 2.Qf5#
- 2.Qe6#
- 1...f1R
- 2.Qe6#
- 1...Qg1
- 2.Qf5#
- 2.Qe6#
- 2.Qe4#
- 1...Qe3
- 2.Qf5#
- 2.Qe6#
- 1...Rd3
- 2.Qf5#
- 2.Qe6#
- 1...Re7
- 2.Qf5#
- 2.Qg3#
- 1...Sc5
- 2.Qf5#
- 2.Qg3#
- 1...Sxd4!
- threat
- 1.Sxb7?
- threat
- 2.Sd7#
- 1...Qe4+
- 2.Qxe4#
- 1...Rxd4
- 2.Qf5#
- 2.Qe6#
- 1...Bxd4
- 2.Qf5#
- 1...Sc5!
- threat
- 1.Bb2?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qg3#
- 1...Qe4+
- 2.Qxe4#
- 1...Rxf7
- 2.Sxf7#
- 2.Qe6#
- 1...Bxd4
- 2.Qf5#
- 1...Sxd4
- 2.Qg3#
- 1...f1Q
- 2.Qe6#
- 1...f1S
- 2.Qf5#
- 2.Qe6#
- 1...f1B
- 2.Qf5#
- 2.Qe6#
- 1...f1R
- 2.Qe6#
- 1...Qg1
- 2.Qf5#
- 2.Qe6#
- 2.Qe4#
- 1...Qe3
- 2.Qf5#
- 2.Qe6#
- 1...Rd3
- 2.Qf5#
- 2.Qe6#
- 1...Re7
- 2.Qf5#
- 2.Qg3#
- 1...Sc5
- 2.Rxd2#
- 2.Rd3#
- 2.Rd5#
- 2.Qf5#
- 2.Qg3#
- 1...Rxd4!
- threat
- 1.Raa4?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qg3#
- 1...Qe4+
- 2.Qxe4#
- 1...Rxd4
- 2.Qe6#
- 1...Rxf7
- 2.Sxf7#
- 2.Qe6#
- 1...Sxd4
- 2.Qg3#
- 1...bxa4
- 2.Sc4#
- 1...f1Q
- 2.Qe6#
- 1...f1S
- 2.Qf5#
- 2.Qe6#
- 1...f1B
- 2.Qf5#
- 2.Qe6#
- 1...f1R
- 2.Qe6#
- 1...Qg1
- 2.Qf5#
- 2.Qe6#
- 2.Qe4#
- 1...Qe3
- 2.Qf5#
- 2.Qe6#
- 1...Rd3
- 2.Qf5#
- 2.Qe6#
- 1...Re7
- 2.Qf5#
- 2.Qg3#
- 1...Sc5
- 2.Qf5#
- 2.Qg3#
- 1...b4
- 2.Sc4#
- 1...Bxd4!
- threat
- 1.Sxb5?
- Keys
- 1.Kg7!
- threat
- 2.Sg6#
- 1...Rxf7+
- 2.Sxf7#
- 1...Rxd4
- 2.Qe6#
- 1...Bxd4
- 2.Qf5#
- 1...Sxd4
- 2.Qg3#
- 1...Qe4
- 2.Qxe4#
- threat
- 1.Kg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD,XB(A)::QAR1(D)
- Q(a);N_GUARD::QAR1(D)
- Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
- R(c);SBLOCK,XR(C)::QAR1(D)
- R(k);N_GUARD::S(I),XR(k)
- R(k);XP(H)::S(F),XR(k)
- R(k);N_GUARD::S(I)
- B(i);SBLOCK,XR(C)::QAR1(D)
- B(i);S_CUTR(k)::S(I)
- S(e);SBLOCK,XR(C)::QAB(D)
- P(f);N_GUARD::S(F)
- Tries
- Try
- S(F);XP(f)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
- R(k);XP(H)::QAR1(D)
- B(i);XR(C)::QAR1(D)
- P(d);::QAR1(D)
- Refutation
- S(e);XR(C)
- Try
- S(F);XR(k)
- Threat
- S(I)
- Vars
- Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
- B(i);SBLOCK,XR(C)::QAR1(D)
- Refutation
- S(e);
- Try
- B(A);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
- B(i);P_SPINB(i),XR(C)::QAR1(D)
- S(e);P_SPINS(e),XR(C)::QAB(D)
- P(d);::QAR1(D)
- Refutation
- R(c);P_SPINR(c),XR(C)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
- R(c);XR(C)::QAR1(D)
- S(e);XR(C)::QAB(D)
- P(f);N_GUARD,XR(E)::S(F)
- P(d);::QAR1(D)
- P(f);N_GUARD::S(F)
- Refutation
- B(i);XR(C)
- Try
- Actual
- K(G);P-FLIGHT,P_SPINP(H)
- Threat
- S(I)
- Vars
- R(k);CHECK,XP(H)::S(F),XR(k)
- R(c);SBLOCK,XR(C)::QAR1(D)
- B(i);SBLOCK,XR(C)::QAR1(D)
- S(e);SBLOCK,XR(C)::QAB(D)
- Q(a);N_GUARD::QAR1(D),XQ(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).