MESON Chess Problem Database
Problem Display
PID: 99583 (K1b5/1p2q2N/7Q/3RB1n1/2PnkpP1/p6r/4B1N1/5r2 w - - 0 1)
Korponai, Jozsef
Budapesti Sakkszovetseg, 1965
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb4
- 2.Sxg5#
- 2.Sf6#
- 1...Qc5
- 2.Sxg5#
- 2.Sf6#
- 1...Qd6
- 2.Sxg5#
- 1...Qf6
- 2.Sxf6#
- 1...Qf8
- 2.Sxg5#
- 1...Qe6
- 2.Sxg5#
- 1...Qc7
- 2.Sxg5#
- 2.Sf6#
- 1...Qd7
- 2.Sxg5#
- 2.Sf6#
- 1...Qf7
- 2.Sxg5#
- 1...Qe8
- 2.Sxg5#
- 2.Sf6#
- 1...Sdf3
- 2.Bd3#
- 1...Sde6
- 2.Qg6#
- 1...Sgf3
- 2.Qxf4#
- 1...Qb4
- Tries
- 1.Qf6?
- threat
- 2.Sxg5#
- 2.Rxd4#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Qxh7
- 2.Rxd4#
- 1...Rxh7
- 2.Rxd4#
- 1...Sxe2
- 2.Sxg5#
- 1...Sxh7
- 2.Rxd4#
- 1...Qc5
- 2.Sxg5#
- 1...Qd6
- 2.Sxg5#
- 1...Qd8
- 2.Sxg5#
- 1...Qd7
- 2.Sxg5#
- 1...Qg7
- 2.Rxd4#
- 1...Rd1
- 2.Sxg5#
- 2.Qxf4#
- 1...Rd3
- 2.Sxg5#
- 1...Rh5
- 2.Rxd4#
- 1...Sc2
- 2.Sxg5#
- 1...Sb3
- 2.Sxg5#
- 1...Sdf3
- 2.Bd3#
- 2.Qxf4#
- 1...Sb5
- 2.Sxg5#
- 1...Sf5
- 2.Sxg5#
- 1...Sc6
- 2.Sxg5#
- 1...Sde6
- 2.Qf5#
- 2.Qg6#
- 1...Sgf3
- 2.Qxf4#
- 1...Sf7
- 2.Rxd4#
- 1...Sge6!
- threat
- 1.Qf6?
- Keys
- 1.Bf6!
- threat
- 2.Sxg5#
- 2.Rxd4#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxh7
- 2.Rxd4#
- 2.Re5#
- 1...Bxg4
- 2.Sxg5#
- 1...Sxe2
- 2.Sxg5#
- 1...Sxh7
- 2.Rxd4#
- 1...Qc5
- 2.Sxg5#
- 1...Qd6
- 2.Sxg5#
- 1...Qd8
- 2.Sxg5#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qd7
- 2.Sxg5#
- 2.Re5#
- 1...Qg7
- 2.Rxd4#
- 2.Re5#
- 1...Rd1
- 2.Sxg5#
- 1...Rd3
- 2.Sxg5#
- 1...Rh5
- 2.Rxd4#
- 1...Sc2
- 2.Sxg5#
- 1...Sb3
- 2.Sxg5#
- 1...Sdf3
- 2.Bd3#
- 1...Sb5
- 2.Sxg5#
- 1...Sf5
- 2.Sxg5#
- 1...Sc6
- 2.Sxg5#
- 1...Sde6
- 2.Qg6#
- 1...Sgf3
- 2.Qxf4#
- 1...Sge6
- 2.Re5#
- 1...Sf7
- 2.Rxd4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 3
- Sets
- Q(i);N_GUARD::S(H),XS(g)
- Q(i);N_GUARD::S(H),XQ(i)
- S(d);SBLOCK,S_CUTR(c)::B(A)
- S(d);N_GUARD,S_CUTB(j)::QAB(G)
- S(g);OGATE::QAR1(G),XP(f)
- Tries
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(i);XQ(G)::S(H),XQ(i)
- Q(i);XS(H)::R1(E),XS(d)
- R(c);XS(H)::R1(E),XS(d)
- S(d);XB(A)::S(H),XS(g)
- S(g);XS(H)::R1(E),XS(d)
- Q(i);::S(H),XS(g)
- Q(i);::R1(E),XS(d)
- R(c);::S(H),XS(g)
- R(c);::R1(E),XS(d)
- S(d);::S(H),XS(g)
- S(g);S_CUTR(a)::QAR1(G),XP(f)
- S(g);::R1(E),XS(d)
- Refutation
- S(g);
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(i);XB(F)::S(H),XQ(i)
- B(j);XP(D)::S(H),XS(g)
- S(d);XB(A)::S(H),XS(g)
- S(g);XS(H)::R1(E),XS(d)
- Q(i);::S(H),XS(g)
- Q(i);N_GUARD::R1(E),XQ(i)
- R(a);::S(H),XS(g)
- R(c);::S(H),XS(g)
- R(c);::R1(E),XS(d)
- S(d);::S(H),XS(g)
- S(d);SBLOCK,S_CUTR(c)::B(A)
- S(d);N_GUARD,S_CUTB(j)::QAB(G)
- S(g);OGATE::QAR1(G),XP(f)
- S(g);S_CUTQ(i)::R1(E)
- S(g);::R1(E),XS(d)
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).