MESON Chess Problem Database
Problem Display
PID: 99464 (b1rbr3/pqP1QpP1/4B3/1p2B1P1/2N1k3/5ppN/4P3/2K5 w - - 0 1)
Zuk, Henryk
Sakkelet, 1989
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...g2
- 2.Sf2#
- 1...g2
- Tries
- 1.Qa3?
- threat
- 2.Qd3#
- 2.Qe3#
- 2.Qxf3#
- 2.exf3#
- 1...Bxg5+
- 2.Sxg5#
- 1...Rxe6
- 2.Qd3#
- 2.Qxf3#
- 1...fxe2
- 2.Qe3#
- 1...fxe6
- 2.Qd3#
- 2.Qxf3#
- 1...Qd5
- 2.Qe3#
- 2.Qxf3#
- 2.exf3#
- 1...Qb6
- 2.Qd3#
- 2.Qxf3#
- 2.exf3#
- 1...f2
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 1...bxc4!
- threat
- 1.Qc5?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Qe3#
- 2.Qd4#
- 1...Bxg5+
- 2.Sxg5#
- 1...Qxc7
- 2.Sd2#
- 2.Qe3#
- 2.Qd4#
- 1...Bxc7
- 2.Sd2#
- 2.Qe3#
- 2.Qd4#
- 1...fxe2
- 2.Qe3#
- 1...bxc4
- 2.Qd4#
- 1...fxe6
- 2.Sd6#
- 1...Qd5
- 2.Qe3#
- 1...Qa6
- 2.Sd2#
- 2.Qe3#
- 2.Qd4#
- 1...Qc6
- 2.Sd2#
- 2.Qe3#
- 2.Qd4#
- 1...Qb6
- 2.Sd2#
- 1...Be7
- 2.Sd2#
- 2.Qe3#
- 2.Qd4#
- 1...Rxe6!
- threat
- 1.Qf6?
- threat
- 2.Qxf3#
- 2.Qf4#
- 2.Qf5#
- 1...Rxe6
- 2.Qxf3#
- 1...fxe2
- 2.Qf5#
- 1...bxc4
- 2.Qf4#
- 1...fxe6
- 2.Qxf3#
- 1...f2
- 2.Qf3#
- 2.Qf4#
- 2.Qf5#
- 1...Bxf6!
- threat
- 1.Qd7?
- threat
- 2.Bf5#
- 2.Qd3#
- 2.Qd4#
- 1...Bxg5+
- 2.Sxg5#
- 1...Rxe6
- 2.Qd3#
- 1...bxc4
- 2.Qd4#
- 1...fxe6
- 2.Qd3#
- 1...Qd5
- 2.Bf5#
- 1...Qb6
- 2.Bf5#
- 2.Qd3#
- 1...f5
- 2.Bxf5#
- 2.Qd3#
- 2.Qd4#
- 1...fxe2!
- threat
- 1.exf3+?
- 1...Kd3
- 2.Sf4#
- 1...Kxf3!
- 1...Kd3
- 1.Qa3?
- Keys
- 1.Qxf7!
- threat
- 2.Bf5#
- 2.Qg6#
- 2.Qxf3#
- 2.Qf4#
- 2.Qf5#
- 1...Bxg5+
- 2.Sxg5#
- 1...Rxe6
- 2.Qxf3#
- 1...fxe2
- 2.Qf5#
- 1...bxc4
- 2.Qf4#
- 1...Rf8
- 2.Bf5#
- 1...Bf6
- 2.Qg6#
- 1...f2
- 2.Bf5#
- 2.Qg6#
- 2.Qf3#
- 2.Qf4#
- 2.Qf5#
- threat
- 1.Qxf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- P(b);N_GUARD::S(C)
- Tries
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- B(j);CHECK,XP(F)::S(C),XB(j)
- P(a);XP(B)::QAR1(I)
- Refutation
- P(d);XS(D)
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- B(j);CHECK,XP(F)::S(C),XB(j)
- P(a);XP(B)::QAR1(I)
- P(d);XS(D)::QAR1(I)
- P(g);XB(G)::S(D)
- Q(f);::QAR1(I)
- Q(f);::S(D)
- Refutation
- R(k);XB(G)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(k);XB(G)::QAB1(I),XP(a)
- P(a);XP(B)::QAB1(I)
- P(d);XS(D)::QAR1(I)
- P(g);XB(G)::QAB1(I),XP(a)
- Refutation
- B(j);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(j);CHECK,XP(F)::S(C),XB(j)
- R(k);XB(G)::QAB1(I)
- P(d);XS(D)::QAR1(I)
- P(g);XB(G)::QAB1(I)
- Q(f);::B(G)
- Refutation
- P(a);XP(B)
- Try
- P(B);CHECK,XP(a)
- Vars
- K(c);S_FLIGHT::S(C)
- Refutation
- K(c);S_FLIGHT,XP(B)
- Try
- Actual
- Q(I);XP(g)
- Threat
- DUALS(5)
- Vars
- B(j);CHECK,XP(F)::S(C),XB(j)
- R(k);XB(G)::QAB1(I),XP(a)
- P(a);XP(B)::QAB1(I)
- P(d);XS(D)::QAR1(I)
- R(k);::B(G)
- B(j);::QAB(I)
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).