MESON Chess Problem Database
Problem Display
PID: 20907 (8/8/8/4Q2p/3Nn1kp/p2N3b/P5n1/2K5 w - - 0 1)
Jarosz, Oswald
Tygodnik Illustrowany, 1913
#2
5 + 7
| 3310 | 2345 Chess Problems | 1997 |
| 3242 | BCPS Rapid Solving (Cheltenham) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sd2
- 2.Sf2#
- 2.Qg7#
- 1...Sf2
- 2.Sxf2#
- 2.Qg7#
- 1...Sc3
- 2.Sf2#
- 2.Qg7#
- 1...Sg3
- 2.Sf2#
- 2.Qg7#
- 1...Sc5
- 2.Sf2#
- 2.Qg7#
- 1...Sg5
- 2.Sf2#
- 1...Sd6
- 2.Sf2#
- 2.Qg7#
- 1...Sf6
- 2.Sf2#
- 1...Se1
- Tries
- 1.Sf3?
- threat
- 2.Sh2#
- 1...Sf4
- 2.Qxf4#
- 1...Kxf3!
- threat
- 1.Qe6+?
- 1...Kg5
- 2.Sf3#
- 1...Kg3!
- 1...Kg5
- 1.Sf3?
- Keys
- 1.Qc7!
- 1...Kg5
- 2.Qg7#
- 1...Sf4
- 2.Qxf4#
- 1...Sd6
- 2.Qg7#
- 1...Sd2
- 2.Qg7#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sf2
- 2.Qg7#
- 1...Sc3
- 2.Qg7#
- 1...Sg3
- 2.Qg7#
- 1...Sc5
- 2.Qg7#
- 1...Sg5
- 2.Sf2#
- 1...Sf6
- 2.Qg7#
- 1...Kg5
- 1.Qc7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(d);N_GUARD::S(C)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- Q(E);CHECK
- Vars
- K(e);P-FLIGHT::S(D)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- Q(E);
- Vars
- K(e);P-FLIGHT::QAR2(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(d);N_GUARD::QAR(E)
- S(a);N_GUARD::QAR1(E)
- S(d);N_GUARD,SBLOCK::QAR(E)
- S(d);N_GUARD,SBLOCK::S(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).