MESON Chess Problem Database
Problem Display
PID: 157897 (1K1k1n2/2pbR2n/7Q/8/3B4/8/4R3/8 w - - 0 1)
Abdullayev, Elmar
Kudesnik, 2014
#2
5 + 5
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.Qb6#
- 1...c6
- 2.Bb6#
- 1...c5
- Tries
- 1.Qf4?
- threat
- 2.Qxc7#
- 1...c5
- 2.Qc7#
- 1...c6
- 2.Bb6#
- 2.Qc7#
- 1...Se6!
- threat
- 1.Qxf8+?
- 1...Be8
- 2.Qxe8#
- 1...Sxf8!
- 1...Be8
- 1.Qh2?
- threat
- 2.Qxc7#
- 1...c5
- 2.Qc7#
- 1...c6
- 2.Bb6#
- 2.Qc7#
- 1...Se6!
- threat
- 1.Qb6?
- threat
- 2.Qxc7#
- 1...cxb6
- 2.Bxb6#
- 1...Se6!
- threat
- 1.Qc6?
- threat
- 2.Qxc7#
- 1...Se6
- 2.Qxd7#
- 1...Bxc6!
- threat
- 1.Qf4?
- Keys
- 1.Qd6!
- threat
- 2.Re8#
- 2.Qxc7#
- 1...cxd6
- 2.Bb6#
- 1...Sf6
- 2.Qxc7#
- 1...Se6
- 2.Qxd7#
- 1...c5
- 2.Re8#
- 2.Qc7#
- 2.Qb6#
- 1...c6
- 2.Bb6#
- 2.Re8#
- 2.Qc7#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- P(a);OGATEB::QAB(C)
- P(a);OGATEB::B(B)
- Tries
- Try
- Q(C);
- Threat
- QAB1(C),XP(a)
- Vars
- P(a);::QAB1(C)
- Refutation
- S(e);
- Try
- Q(C);CHECK,XS(e)
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(C),XB(b)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);
- Threat
- QAB1(C),XP(a)
- Vars
- P(a);::QAB1(C)
- Refutation
- S(e);
- Try
- Q(C);P_PINP(a)
- Threat
- QAB1(C),XP(a)
- Vars
- P(a);N_SPINP(a),OGATE,XQ(C)::B(B),XP(a)
- Refutation
- S(e);
- Try
- Q(C);
- Threat
- QAB1(C),XP(a)
- Vars
- S(e);N_GUARD::QAR1(C),XB(b)
- Refutation
- B(b);XQ(C)
- Try
- Actual
- Q(C);P_PINB(b)
- Threat
- DUALS(2)
- Vars
- P(a);N_SPINB(b),OGATEB,XQ(C)::B(B)
- S(c);::QAB1(C),XP(a)
- S(e);N_GUARD::QAR1(C),XB(b)
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).