MESON Chess Problem Database
Problem Display
PID: 143827 (2r5/B7/4qR2/1Q1Nk3/4p3/8/8/3RK3 w - - 0 1)
Schumer, Jacob
Johannesburg Weekly Star, 1903
#2
6 + 4
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Bd4#
- 1...Qg4
- 2.Bd4#
- 1...Qxd5
- 2.Bd4#
- 1...Qf5
- 2.Bd4#
- 1...Qd7
- 2.Bd4#
- 1...Qf7
- 2.Bd4#
- 1...Qg8
- 2.Bd4#
- 1...Qa6
- 2.Bd4#
- 1...Qc6
- 2.Bd4#
- 1...Qd6
- 2.Bd4#
- 1...Qe7
- 2.Bd4#
- 1...Qe8
- 2.Bd4#
- 1...Qh3
- Tries
- 1.Sc7+?
- 1...Qd5
- 2.Bd4#
- 1...Kxf6!
- 1...Qd5
- 1.Qd7?
- threat
- 2.Bd4#
- 2.Qxe6#
- 1...Qxd5
- 2.Rf5#
- 2.Qf5#
- 1...Qxf6
- 2.Bd4#
- 1...e3
- 2.Qxe6#
- 1...Rc5
- 2.Qxe6#
- 1...Qh3
- 2.Bd4#
- 2.Qd6#
- 1...Qg4
- 2.Bd4#
- 2.Qd6#
- 1...Qf5
- 2.Bd4#
- 2.Rxf5#
- 2.Qxf5#
- 2.Qd6#
- 1...Qf7
- 2.Bd4#
- 2.Qf5#
- 2.Qd6#
- 1...Qg8
- 2.Bd4#
- 2.Rf5#
- 2.Qf5#
- 2.Qd6#
- 1...Qa6
- 2.Bd4#
- 2.Rf5#
- 2.Qf5#
- 1...Qb6
- 2.Rf5#
- 2.Qf5#
- 1...Qc6
- 2.Bd4#
- 2.Rf5#
- 2.Qf5#
- 1...Qd6
- 2.Rf5#
- 2.Qf5#
- 2.Qxd6#
- 1...Qe7
- 2.Bd4#
- 2.Rf5#
- 2.Qf5#
- 2.Qxe7#
- 1...Qe8
- 2.Bd4#
- 2.Rf5#
- 2.Qf5#
- 2.Qd6#
- 1...Rc4
- 2.Qxe6#
- 1...Rc6
- 2.Bd4#
- 1...Re8
- 2.Bd4#
- 1...Qxd7!
- threat
- 1.Sc7+?
- Keys
- 1.Be3!
- threat
- 2.Bf4#
- 1...Kd6
- 2.Bf4#
- 1...Qxd5
- 2.Bd4#
- 1...Qxf6
- 2.Sc7#
- 1...Qg4
- 2.Bd4#
- 1...Qf5
- 2.Bd4#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(c);::B(F)
- Q(c);P_SPINQ(c),XS(D)::B(F)
- Tries
- Try
- S(D);CHECK
- Vars
- Q(c);P_SPINQ(c)::B(F)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(c);XR(E)::B(F)
- P(a);::QAR1(C),XQ(c)
- R(d);::QAR1(C),XQ(c)
- R(d);::B(F)
- Refutation
- Q(c);XQ(C)
- Try
- Actual
- B(F);
- Threat
- B(F)
- Vars
- K(b);P_SPINQ(c),S_FLIGHT::B(F)
- Q(c);P_SPINQ(c),XS(D)::B(F)
- Q(c);N_GUARD,SBLOCK,XR(E)::QAR(C)+S(D)
- Q(c);::B(F)
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).