MESON Chess Problem Database
Problem Display
PID: 110230 (3B2N1/3KpP1p/2pn1RPP/2pbk2P/2RpP3/6pN/2B5/7Q w - - 0 1)
Labai, Zoltan
Sachove umeni (Ceskoslovensky sach), 1993
#2
13 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be6+
- 2.Rxe6#
- 1...Sxc4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sb7
- 2.Rf5#
- 1...Sxf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Qa1#
- 1...exf6
- 2.Bxf6#
- 1...Be6+
- Tries
- 1.Sxe7?
- 1...Be6+
- 2.Rxe6#
- 1...Kxf6
- 2.Sxc6#
- 1...Bxc4
- 2.Sxc6#
- 1...Bxe4
- 2.Re6#
- 1...Bxf7
- 2.Sxc6#
- 1...Sxc4
- 2.Rf5#
- 1...Sxe4
- 2.Rf5#
- 1...Sxf7
- 2.Rf5#
- 1...hxg6
- 2.Sxg6#
- 1...Sb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sb7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...d3
- 2.Qa1#
- 1...g2!
- 1...Be6+
- 1.Bc7?
- threat
- 2.Rf5#
- 1...Be6+
- 2.Rxe6#
- 1...Bxe4
- 2.Qxe4#
- 1...exf6
- 2.Bxd6#
- 1...e6
- 2.Bxd6#
- 1...hxg6!
- threat
- 1.Rxc5?
- threat
- 2.Re6#
- 1...Sxe4
- 2.Qxe4#
- 1...exf6
- 2.Bxf6#
- 1...e6
- 2.Rxe6#
- 1...d3!
- threat
- 1.Qf3?
- threat
- 2.Qxg3#
- 2.Qf4#
- 1...Be6+
- 2.Rxe6#
- 1...Sxe4
- 2.Rf5#
- 2.Qf4#
- 2.Qf5#
- 1...Sf5
- 2.Rxf5#
- 2.Qf4#
- 2.Qxf5#
- 1...g2
- 2.Qg3#
- 2.Qf4#
- 1...Bxe4!
- threat
- 1.Qc1?
- threat
- 2.Qf4#
- 1...Be6+
- 2.Rxe6#
- 1...Bxe4!
- threat
- 1.Qf1?
- threat
- 2.Qf4#
- 1...Be6+
- 2.Rxe6#
- 1...Bxe4!
- threat
- 1.Sxe7?
- Keys
- 1.Qe1!
- threat
- 2.Qxg3#
- 1...Be6+
- 2.Rxe6#
- 1...Bxe4
- 2.Rxc5#
- 1...Sxe4
- 2.Bc7#
- 1...Sf5
- 2.Rxf5#
- 1...g2
- 2.Qg3#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- S(g);N_GUARD,XR(D)::R1(G)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD,XP(K)::R1(G)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- P(h);OGATE,XR(G)::B(L),XP(h)
- Tries
- Try
- S(M);XP(h)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- K(e);S_FLIGHT,XR(G)::B(L)+S(M),XP(f)
- B(d);N_GUARD,XR(D)::S(M),XP(f)
- B(d);N_GUARD,XP(E)::R1(G)
- B(d);N_GUARD,XP(K)::S(M),XP(f)
- S(g);N_GUARD,XR(D)::R1(G)
- S(g);N_GUARD,XP(E)::R1(G)
- S(g);N_GUARD,XP(K)::R1(G)
- P(i);XP(H)::S(M),XP(i)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- P(b);OGATEB::QAB(A)
- Refutation
- P(a);
- Try
- B(L);P_PINS(g)
- Threat
- R1(G)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- B(d);OGATE,XP(E)::QAR1(A),XB(d)
- P(h);N_GUARD,XR(G)::B(L),XS(g)
- P(h);N_GUARD::B(L),XS(g)
- Refutation
- P(i);XP(H)
- Try
- R(D);P_PINB(d),XP(c)
- Threat
- R1(G)
- Vars
- S(g);OGATE,XP(E)::QAR1(A),XS(g)
- P(h);OGATE,XR(G)::B(L),XP(h)
- P(h);::R1(G),XP(h)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- Refutation
- B(d);XP(E)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- Refutation
- B(d);XP(E)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- Refutation
- B(d);XP(E)
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XP(a)
- Vars
- B(d);CHECK,N_GUARD::R1(G),XB(d)
- B(d);OGATEB,P_SPINB(d),XP(E)::R(D),XP(c)
- S(g);OGATEB,P_SPINS(g),XP(E)::B(L)
- S(g);N_GUARD::R1(G),XS(g)
- P(a);::QAB(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).