MESON Chess Problem Database
Problem Display
PID: 215688 (7B/Q1p2K2/2p5/2nk4/8/8/1NP1P3/4R3 w - - 0 1)
Chocolous, Jiri
La Strategie, 1882
#2
7 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qd4#
- 1...Sa4
- 2.Qd4#
- 1...Se4
- 2.Qd4#
- 1...Sa6
- 2.Qd4#
- 1...Sb7
- 2.Qd4#
- 1...Sd7
- 2.Qd4#
- 1...Sd3
- Tries
- 1.Ke7?
- 1...Sb3
- 2.e4#
- 1...Sd3
- 2.Qd4#
- 2.e4#
- 1...Sa4
- 2.Qd4#
- 2.e4#
- 1...Se4
- 2.Qd4#
- 2.c4#
- 1...Sa6
- 2.Qd4#
- 2.e4#
- 1...Se6
- 2.e4#
- 1...Sb7
- 2.Qd4#
- 2.e4#
- 1...Sd7
- 2.Qd4#
- 2.e4#
- 1...Ke4!
- 1...Sb3
- 1.Rd1+?
- 1...Sd3
- 2.Qd4#
- 1...Ke4!
- 1...Sd3
- 1.Qxc5+?
- 1...Ke4
- 2.Qe5#
- 1...Kxc5!
- 1...Ke4
- 1.e4+?
- 1...Sxe4
- 2.Qd4#
- 1...Kd6!
- 1...Sxe4
- 1.Ke7?
- Keys
- 1.Qa3!
- 1...Ke4
- 2.Qf3#
- 1...Kd6
- 2.Rd1#
- 1...Sb3
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sa4
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Sa6
- 2.e4#
- 1...Se6
- 2.e4#
- 1...Sb7
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...Ke4
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);OGATE::QAR1(E)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(a);N_GUARD::P(D)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);CHECK
- Vars
- S(a);OGATE,P_SPINS(a)::QAR1(E)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(E);CHECK,XS(a)
- Vars
- K(b);OGATE,S_FLIGHT::QAR1(E)
- Refutation
- K(b);P-FLIGHT,XQ(E)
- Try
- P(D);CHECK
- Vars
- S(a);OGATE,XP(D)::QAR1(E)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(E);
- Vars
- K(b);S_FLIGHT::QAB1(E)
- K(b);P-FLIGHT,P_SPINS(a)::R(A)
- S(a);N_GUARD::P(D)
- S(a);SBLOCK::P(C)
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).