MESON Chess Problem Database
Problem Display
PID: 138877 (6R1/1P1k2P1/2nPp3/1q6/B1N5/4Q1Pp/2P4K/8 w - - 0 1)
von Wardener, Friedrich Freiherr
4th HM., Illustracyja Polska, 1902
#2
10 + 5
| 3530 | Het Half Pin Thema (II) | 1947 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.b8S#
- 1...Qa5
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qd5
- 2.b8S#
- 1...Qe5
- 2.b8S#
- 1...Qf5
- 2.b8S#
- 1...Qg5
- 2.b8S#
- 1...Qh5
- 2.b8S#
- 1...Sb4
- 2.b8S#
- 1...Sd4
- 2.b8S#
- 1...Sa5
- 2.b8S#
- 1...Se5
- 2.b8S#
- 1...Sa7
- 2.b8S#
- 1...Se7
- 2.b8S#
- 1...Qa6
- Tries
- 1.Qc5?
- 1...Qxa4
- 2.Sb6#
- 1...Qxc4
- 2.Bxc6#
- 2.b8S#
- 1...Qxc5
- 2.b8S#
- 1...Qxb7
- 2.Se5#
- 1...Qa6
- 2.Se5#
- 2.b8S#
- 1...Qb1
- 2.Se5#
- 2.Bxc6#
- 2.Qxc6#
- 1...Qb2
- 2.Bxc6#
- 2.Qxc6#
- 1...Qb3
- 2.Se5#
- 2.Bxc6#
- 2.Qxc6#
- 1...Qb4
- 2.Se5#
- 2.Bxc6#
- 2.Qxc6#
- 1...Qa5
- 2.Se5#
- 2.Bxc6#
- 2.Qxc6#
- 2.b8S#
- 1...Qb6
- 2.Se5#
- 2.Sxb6#
- 1...Sb4
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 2.b8S#
- 1...Sd4
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 2.b8S#
- 1...Sa5
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 2.b8S#
- 1...Se5
- 2.Sxe5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 2.b8S#
- 1...Sa7
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.b8S#
- 1...Se7
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.b8S#
- 1...Sb8
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 1...Sd8
- 2.Se5#
- 2.Sb6#
- 2.Qc7#
- 2.Qc8#
- 2.b8S#
- 1...e5!
- 1...Qxa4
- 1.Qd3?
- 1...Qxa4
- 2.Sb6#
- 1...Qxc4
- 2.b8S#
- 1...Qxb7
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 2.b8S#
- 1...Sd4
- 2.b8S#
- 1...Sa5
- 2.Se5#
- 2.b8S#
- 1...Se5
- 2.Sxe5#
- 2.b8S#
- 1...Sa7
- 2.Se5#
- 2.b8S#
- 1...Se7
- 2.Se5#
- 2.b8S#
- 1...Sb8
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...e5
- 2.Qf5#
- 1...Qa6
- 2.Se5#
- 2.b8S#
- 1...Qb1
- 2.Se5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qa5
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qd5
- 2.b8S#
- 1...Qe5
- 2.Sxe5#
- 2.Sb6#
- 2.b8S#
- 1...Qf5
- 2.Sb6#
- 2.b8S#
- 1...Qg5
- 2.Sb6#
- 2.b8S#
- 1...Qh5
- 2.Sb6#
- 2.b8S#
- 1...Qb6
- 2.Se5#
- 2.Sxb6#
- 1...Qb2!
- 1...Qxa4
- 1.Qc5?
- Keys
- 1.Qd4!
- 1...Qxa4
- 2.Sb6#
- 1...Qxc4
- 2.b8S#
- 1...Qxb7
- 2.Se5#
- 1...Sxd4
- 2.b8S#
- 1...Sb4
- 2.Se5#
- 2.b8S#
- 1...Sa5
- 2.Se5#
- 2.b8S#
- 1...Se5
- 2.Sxe5#
- 2.b8S#
- 1...Sa7
- 2.Se5#
- 2.b8S#
- 1...Se7
- 2.Se5#
- 2.b8S#
- 1...Sb8
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...e5
- 2.Qg4#
- 1...Qa6
- 2.Se5#
- 2.b8S#
- 1...Qb1
- 2.Se5#
- 1...Qb2
- 2.Se5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qa5
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qd5
- 2.b8S#
- 1...Qe5
- 2.Sxe5#
- 2.Sb6#
- 2.b8S#
- 1...Qf5
- 2.Sb6#
- 2.b8S#
- 1...Qg5
- 2.Sb6#
- 2.b8S#
- 1...Qh5
- 2.Sb6#
- 2.b8S#
- 1...Qb6
- 2.Se5#
- 2.Sxb6#
- 1...Qxa4
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD,P_SPINS(c)::P=S
- Q(b);N_GUARD,P_PINP(D),P_SPINS(c)::P=S
- S(c);N_GUARD,P_SPINQ(b)::P=S
- Tries
- Try
- Q(C);
- Vars
- Q(b);N_GUARD,XB(E)::S(F)
- Q(b);N_GUARD,P_SPINS(c),XQ(C)::P=S
- Q(b);P_SPINS(c),XP(H)::S(F)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- Q(b);N_GUARD,XB(E)::S(F)
- Q(b);N_GUARD,P_SPINS(c),XS(F)::P=S
- Q(b);N_GUARD,P_SPINS(c),XP(H)::S(F)
- S(c);N_GUARD,P_SPINQ(b)::P=S
- S(c);N_GUARD,P_SPINQ(b)::S(F)
- P(d);OGATEB::QAB(C)
- Q(b);N_GUARD,P_SPINS(c)::S(F)
- Q(b);N_GUARD,P_SPINS(c)::P=S
- Refutation
- Q(b);P_PINP(A),P_SPINS(c)
- Try
- Actual
- Q(C);
- Vars
- Q(b);N_GUARD,XB(E)::S(F)
- Q(b);N_GUARD,P_SPINS(c),XS(F)::P=S
- Q(b);N_GUARD,P_SPINS(c),XP(H)::S(F)
- S(c);N_GUARD,P_SPINQ(b),XQ(C)::P=S
- S(c);N_GUARD,P_SPINQ(b)::S(F)
- P(d);OGATEB::QAB(C)
- Q(b);N_GUARD,P_SPINS(c)::S(F)
- Q(b);N_GUARD,P_PINP(A),P_SPINS(c)::S(F)
- Q(b);N_GUARD,P_SPINS(c)::P=S
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).