MESON Chess Problem Database
Problem Display
PID: 241749 (7n/5k1K/2Q4P/1p6/1B6/8/8/8 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1928
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sg6
- 2.Qxg6#
- 1...Sg6
- Tries
- 1.Ba3?
- 1...Sg6
- 2.Qxg6#
- 1...b4!
- 1...Sg6
- 1.Bc5?
- 1...Sg6
- 2.Qxg6#
- 1...b4!
- 1...Sg6
- 1.Qe4?
- threat
- 2.Qe7#
- 1...Sg6
- 2.Qxg6#
- 1...Kf6!
- threat
- 1.Qa6?
- 1...Sg6
- 2.Qxg6#
- 1...Ke8!
- 1...Sg6
- 1.Qb6?
- 1...Sg6
- 2.Qxg6#
- 1...Ke8!
- 1...Sg6
- 1.Qf6+?
- 1...Ke8
- 2.Qe7#
- 1...Kxf6!
- 1...Ke8
- 1.Ba3?
- Keys
- 1.Qd6!
- threat
- 2.Qe7#
- 1...Ke8
- 2.Qe7#
- 1...Sg6
- 2.Qxg6#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAB1(B),XS(c)
- Tries
- Try
- B(A);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);S_FLIGHT::QAR1(B)
- Refutation
- K(b);P-FLIGHT,XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(b);S_FLIGHT::QAR1(B)
- S(c);N_GUARD::QAB1(B),XS(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).