MESON Chess Problem Database
Problem Display
PID: 175129 (8/7Q/4nP2/B7/1N6/2k1N3/p1B2P2/b3K3 w - - 0 1)
Lose, NCC
320 Danske Skakopgaver, 1902
#2
8 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Sc6#
- 2.Qd3#
- 1...Sd4
- 2.Sd3#
- 1...Bb2
- Tries
- 1.Sa6+?
- 1...Kd4
- 2.Qe4#
- 1...Kb2!
- 1...Kd4
- 1.Qe4?
- threat
- 2.Sd1#
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 1...Kb2!
- threat
- 1.Qf5?
- 1...Kd4
- 2.Sc6#
- 1...Bb2
- 2.Sc6#
- 2.Qd3#
- 1...Sd4
- 2.Sd3#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sg5
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Sg7
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Kb2!
- 1...Kd4
- 1.Sa6+?
- Keys
- 1.Qe7!
- 1...Kb2
- 2.Sd3#
- 1...Kd4
- 2.Sc6#
- 1...Bb2
- 2.Sc6#
- 1...Sd4
- 2.Sd3#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sg5
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Sg7
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Kb2
- 1.Qe7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- S(d);SBLOCK::B(F)+S(E)
- Tries
- Try
- S(E);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(H)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(d);::B(F)+S(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);
- Vars
- K(c);S_FLIGHT::S(E)
- S(d);SBLOCK::B(F)+S(E)
- S(d);N_GUARD::QAB(H)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(H);
- Vars
- K(c);S_FLIGHT::S(E)
- B(a);SBLOCK::B(F)+S(E)
- S(d);SBLOCK::B(F)+S(E)
- S(d);OGATE::QAB(H)
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).