MESON Chess Problem Database
Problem Display
PID: 214547 (8/8/2Q2p1B/3N3p/1P1pk2K/1p1N4/1P6/8 w - - 0 1)
Robbins, Alexander Henry
Detroit Free Press, 1878
#2
7 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.Sc3#
- 1...Kf5
- 2.Se7#
- 1...Kf3
- Tries
- 1.Sc5+?
- 1...Ke5
- 2.Qe6#
- 1...Kf5
- 2.Qxf6#
- 1...Kf3!
- 1...Ke5
- 1.Sc3+?
- 1...Kf5
- 2.Qe4#
- 1...Kxd3!
- 1...Kf5
- 1.S5f4+?
- 1...Kf5
- 2.Qd5#
- 2.Qe6#
- 1...Ke3!
- 1...Kf5
- 1.Bd2?
- 1...Kf3
- 2.Sc3#
- 2.S5f4#
- 1...Kf5
- 2.Se7#
- 1...f5
- 2.S5f4#
- 1...Kxd3!
- 1...Kf3
- 1.b5?
- 1...Kf3
- 2.Sc3#
- 1...Kf5
- 2.Se7#
- 1...f5
- 2.S5b4#
- 1...Kxd3!
- 1...Kf3
- 1.Sc5+?
- Keys
- 1.Bc1!
- 1...Kxd3
- 2.Sf4#
- 1...Kf3
- 2.Sc3#
- 2.S5f4#
- 1...Kf5
- 2.Se7#
- 1...f5
- 2.S5f4#
- 1...Kxd3
- 1.Bc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(c);S_FLIGHT::QAB(F)+S(E)
- K(c);S_FLIGHT::S(E)
- Tries
- Try
- S(B);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(F)
- K(c);S_FLIGHT::QAR1(F),XP(e)
- Refutation
- K(c);S_FLIGHT
- Try
- S(E);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(F)
- Refutation
- K(c);S_FLIGHT,XS(B)
- Try
- S(E);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- B(G);
- Vars
- K(c);S_FLIGHT::S(E)
- P(e);SBLOCK::QAB(F)+S(E)
- Refutation
- K(c);S_FLIGHT,XS(B)
- Try
- P(C);
- Vars
- K(c);S_FLIGHT::QAB(F)+S(E)
- K(c);S_FLIGHT::S(E)
- P(e);SBLOCK::QAB(F)+S(E)
- Refutation
- K(c);S_FLIGHT,XS(B)
- Try
- Actual
- B(G);
- Vars
- K(c);S_FLIGHT,XS(B)::S(E)
- K(c);S_FLIGHT::S(E)
- P(e);SBLOCK::QAB(F)+S(E)
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).