MESON Chess Problem Database
Problem Display
PID: 109789 (8/7Q/RRn1PP2/1pk5/3n4/1PN2N2/1K6/8 w - - 0 1)
Zuk, Henryk
Szachy, 1957
#2
9 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Qe7#
- 1...Sb4
- 2.Qe7#
- 1...Sa5
- 2.Qe7#
- 1...Se5
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Sb8
- 2.Qe7#
- 1...Sd8
- 2.Qe7#
- 1...Kd6
- Tries
- 1.Se4+?
- 1...Kb4
- 2.Ra4#
- 1...Kd5!
- 1...Kb4
- 1.Rxb5+?
- 1...Kd6
- 2.Qd7#
- 2.Qe7#
- 1...Sxb5!
- 1...Kd6
- 1.Rxc6+?
- 1...Kb4
- 2.Sa2#
- 2.Sd5#
- 2.Qe7#
- 1...Sxc6!
- 1...Kb4
- 1.Qd3?
- 1...Kb4
- 2.Qc4#
- 1...Kd6
- 2.Rxc6#
- 1...Sxb3
- 2.Rxb5#
- 1...Sxf3
- 2.Rxb5#
- 1...Sxe6
- 2.Rxb5#
- 1...Sc2
- 2.Rxb5#
- 1...Se2
- 2.Rxb5#
- 1...Sf5
- 2.Rxb5#
- 1...Sb4
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...b4!
- 1...Kb4
- 1.Qd7?
- 1...Kb4
- 2.Qd6#
- 1...Sxf3
- 2.Rxb5#
- 1...Sxe6
- 2.Rxb5#
- 1...b4
- 2.Sa4#
- 2.Se4#
- 2.Qd5#
- 1...Sc2
- 2.Rxb5#
- 1...Se2
- 2.Rxb5#
- 1...Sf5
- 2.Rxb5#
- 1...Sb4
- 2.Se4#
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Sa5
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Se5
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Sa7
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Se7
- 2.Qxd4#
- 2.Qd6#
- 2.Qxe7#
- 1...Sb8
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Sd8
- 2.Qxd4#
- 2.Qd6#
- 2.Qe7#
- 1...Sxb3!
- 1...Kb4
- 1.Se4+?
- Keys
- 1.Qe4!
- 1...Kb4
- 2.Rxb5#
- 1...Kd6
- 2.Qe5#
- 1...Sxb3
- 2.Rxc6#
- 1...Sxf3
- 2.Rxc6#
- 1...Sxe6
- 2.Rxc6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Sb4
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...b4
- 2.Qd5#
- 1...Kb4
- 1.Qe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 8
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- K(c);P_SPINS(d),S_FLIGHT::QAB1(I)
- S(d);N_GUARD,SBLOCK::QAB(I)
- S(d);N_GUARD::QAB(I)
- S(d);N_GUARD::QAB(I),XS(d)
- Tries
- Try
- S(C);CHECK
- Vars
- K(c);P_SPINP(b),S_FLIGHT::R1(E)
- Refutation
- K(c);P-FLIGHT
- Try
- R(F);CHECK,XP(b)
- Refutation
- S(a);XR(F)
- Try
- R(F);CHECK,XS(d)
- Refutation
- S(a);XR(F)
- Try
- Q(I);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::QAR1(I)
- K(c);P_SPINS(a),S_FLIGHT::R1(F),XS(d)
- S(a);N_GUARD,XP(B)::R1(F),XP(b)
- S(a);N_GUARD,XS(D)::R1(F),XP(b)
- S(a);N_GUARD,XP(G)::R1(F),XP(b)
- S(a);N_GUARD::R1(F),XP(b)
- S(d);N_GUARD::QAB1(I),XS(a)
- Refutation
- P(b);
- Try
- Q(I);
- Vars
- K(c);P_SPINP(b),S_FLIGHT::QAB(I)
- S(a);N_GUARD,XS(D)::R1(F),XP(b)
- S(a);N_GUARD,XP(G)::R1(F),XP(b)
- S(a);N_GUARD::R1(F),XP(b)
- Refutation
- S(a);XP(B)
- Try
- Actual
- Q(I);
- Vars
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::R1(F),XP(b)
- K(c);P_SPINS(d),S_FLIGHT::QAB1(I)
- S(a);N_GUARD,XP(B)::R1(F),XS(d)
- S(a);N_GUARD,XS(D)::R1(F),XS(d)
- S(a);N_GUARD,XP(G)::R1(F),XS(d)
- S(a);N_GUARD::R1(F),XS(d)
- S(d);N_GUARD::QAB1(I),XS(a)
- P(b);::QAR1(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).