MESON Chess Problem Database
Problem Display
PID: 202443 (7B/n2p1p2/2p1kP2/8/4B2N/b2NKnQ1/1p2P3/5r2 w - - 0 1)
Nagy, Odon
Magyar Sakkvilag, 1923
#2
8 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bc5+
- 2.Sxc5#
- 1...Bd6
- 2.Qh3#
- 2.Qg4#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sxh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...d5
- 2.Bf5#
- 1...d6
- 2.Qh3#
- 2.Qg4#
- 1...Bc5+
- Tries
- 1.Qc7?
- threat
- 2.Sf4#
- 1...Bc5+
- 2.Sxc5#
- 1...Sxh4
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...d6
- 2.Qe7#
- 1...Bd6!
- threat
- 1.Qc7?
- Keys
- 1.Qb8!
- threat
- 2.Sf4#
- 1...Bc5+
- 2.Sxc5#
- 1...Sxh4
- 2.Qe5#
- 1...d5
- 2.Bf5#
- 1...d6
- 2.Qe8#
- 1...Bd6
- 2.Qb3#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);CHECK,N_GUARD::S(B),XB(c)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD,XS(F)::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(h);SBLOCK::B(E)
- Tries
- Try
- Q(D);
- Threat
- S(B)
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- S(d);N_GUARD,XS(F)::QAR1(D)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- P(h);OGATE::QAR1(D)
- Refutation
- B(c);
- Try
- Actual
- Q(D);
- Threat
- S(B)
- Vars
- B(c);CHECK,N_GUARD::S(B),XB(c)
- S(d);N_GUARD,XS(F)::QAR1(D)
- P(h);SBLOCK::B(E)
- P(h);SBLOCK,S_CUTB(c)::QAR2(D)
- B(c);SBLOCK,S_CUTP(h)::QAB(D)
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
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).