MESON Chess Problem Database
Problem Display
PID: 184747 (5N1B/3p2q1/3p4/1K1k4/8/2P2P1Q/8/8 w - - 0 1)
Palkoska, Emil
Op de Hoogte, 1908
#2
6 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Qf5#
- 2.c4#
- 1...Qxf8
- 2.c4#
- 1...Qg1
- 2.Qf5#
- 2.c4#
- 1...Qg2
- 2.Qf5#
- 2.c4#
- 1...Qg3
- 2.c4#
- 1...Qg5
- 2.c4#
- 1...Qg6
- 2.c4#
- 1...Qe7
- 2.c4#
- 1...Qf7
- 2.c4#
- 1...Qh7
- 2.c4#
- 1...Qg8
- 2.Qf5#
- 2.c4#
- 1...Qh6
- Tries
- 1.Qg4?
- threat
- 2.Qe4#
- 1...Ke5
- 2.Qg5#
- 1...Qd4
- 2.Qxd4#
- 2.Qg8#
- 1...Qe5
- 2.Qc4#
- 2.c4#
- 1...Qg6
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qe7
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qh7
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qxg4!
- threat
- 1.Qh4?
- threat
- 2.Qe4#
- 1...Ke5
- 2.Qg5#
- 1...Qe5
- 2.Qc4#
- 2.c4#
- 1...Qd4
- 2.Qxd4#
- 1...Qg6
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qe7
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qh7
- 2.Qc4#
- 2.Qd4#
- 2.c4#
- 1...Qg4!
- threat
- 1.Qh5+?
- 1...Qg5
- 2.Qf7#
- 2.Qxg5#
- 2.c4#
- 1...Qe5!
- 1...Qg5
- 1.Qg4?
- Keys
- 1.Qg2!
- 1...Ke5
- 2.Qg5#
- 1...Qxc3
- 2.Qg8#
- 1...Qxf8
- 2.Qa2#
- 1...Qxh8
- 2.f4#
- 1...Qxg2
- 2.c4#
- 1...Qd4
- 2.Qg8#
- 1...Qe5
- 2.Qa2#
- 1...Qf6
- 2.f4#
- 1...Qh6
- 2.Qa2#
- 2.c4#
- 2.f4#
- 1...Qg3
- 2.Qa2#
- 2.Qd2#
- 2.c4#
- 1...Qg4
- 2.fxg4#
- 1...Qg5
- 2.Qa2#
- 2.Qxg5#
- 2.c4#
- 1...Qg6
- 2.Qa2#
- 2.c4#
- 1...Qe7
- 2.Qa2#
- 2.Qd2#
- 2.c4#
- 1...Qf7
- 2.Qa2#
- 2.Qd2#
- 2.c4#
- 2.f4#
- 1...Qh7
- 2.Qa2#
- 2.c4#
- 1...Qg8
- 2.Qa2#
- 2.Qd2#
- 2.Qxg8#
- 2.c4#
- 1...Ke5
- 1.Qg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 6
- Sets
- Q(d);XS(E)::P(A)
- Q(d);::P(A)
- Tries
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- K(a);P-FLIGHT,P_SPINQ(d)::QAR2(C)
- Refutation
- Q(d);XQ(C)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- K(a);P-FLIGHT,P_SPINQ(d)::QAR2(C)
- Q(d);N_GUARD::QAR1(C),XQ(d)
- Refutation
- Q(d);
- Try
- Q(C);CHECK
- Refutation
- Q(d);P_SPINQ(d)
- Try
- Actual
- Q(C);
- Vars
- K(a);P-FLIGHT,P_SPINQ(d)::QAR2(C)
- Q(d);OGATE,XP(A)::QAB(C)
- Q(d);XS(E)::QAB(C)
- Q(d);N_GUARD,XB(F)::QAB(C)+P(B)
- Q(d);XQ(C)::P(A)
- Q(d);OGATE::QAB(C)
- Q(d);::QAB(C)
- Q(d);N_GUARD::QAB(C)+P(B)
- Q(d);OGATE::QAB(C)+P(B),XQ(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).