MESON Chess Problem Database
Problem Display
PID: 150509 (1B3q2/1Pp2p2/R7/Q1bk1p2/6N1/1NpP1n2/K3P1n1/2R5 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Prize, Neue Zurcher Zeitung, 2008-2009
#2
10 + 9
| 23 | Die Schwalbe | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Qxc5#
- 1...Qg7
- 2.Qxc5#
- 1...Qxb8
- 2.Qxc5#
- 1...Qc8
- 2.Qxc5#
- 1...Qd8
- 2.Qxc5#
- 1...Qe8
- 2.Qxc5#
- 1...Qg8
- 2.Qxc5#
- 1...Qh8
- 2.Qxc5#
- 1...Se5
- 2.Sf6#
- 1...Qh6
- Tries
- 1.Qxc7?
- threat
- 2.Sf6#
- 2.Qc6#
- 1...fxg4
- 2.Qc6#
- 2.e4#
- 1...Bb6
- 2.Qc4#
- 1...Bd6
- 2.Qc4#
- 1...Qh6
- 2.Qxc5#
- 1...Qe7
- 2.Qc6#
- 1...Qg7
- 2.Qxc5#
- 2.Qc6#
- 1...Qc8
- 2.Sf6#
- 1...Qd8
- 2.Qxc5#
- 2.Qc6#
- 2.Qxf7#
- 1...Qe8
- 2.Sf6#
- 2.Qxc5#
- 1...Qh8
- 2.Qxc5#
- 2.Qc6#
- 2.Qxf7#
- 1...Bd4
- 2.Qc4#
- 2.Qc6#
- 1...Be7
- 2.Qc4#
- 2.Qc6#
- 1...Sd4
- 2.Sf6#
- 2.Qe5#
- 1...Se5
- 2.Sf6#
- 2.Qxe5#
- 1...f6
- 2.Qc6#
- 1...Qd6!
- threat
- 1.Qa4?
- threat
- 2.Qc6#
- 2.Qc4#
- 1...fxg4
- 2.Qe4#
- 1...Qd6
- 2.Qc4#
- 1...Bd6
- 2.Qc4#
- 1...c6
- 2.Qxc6#
- 2.Qc4#
- 1...Qh6
- 2.Qc4#
- 1...Qe8
- 2.Qc4#
- 1...Bb4
- 2.Qc6#
- 1...Se3
- 2.Qc6#
- 1...Sd2
- 2.Qc6#
- 1...Sd4
- 2.Qc4#
- 1...Se5
- 2.Sf6#
- 1...Bb6!
- threat
- 1.Qb5?
- threat
- 2.Qc4#
- 2.Qc6#
- 1...Qd6
- 2.Qc4#
- 1...c6
- 2.Qc4#
- 2.Qxc6#
- 1...Qh6
- 2.Qc4#
- 2.Qxc5#
- 1...Qe8
- 2.Qc4#
- 2.Qxc5#
- 1...Se3
- 2.Qc6#
- 1...Sd2
- 2.Qc6#
- 1...Sd4
- 2.Qc4#
- 1...Se5
- 2.Sf6#
- 1...fxg4!
- threat
- 1.Qxc7?
- Keys
- 1.Qxc3!
- threat
- 2.Sf6#
- 2.Qc4#
- 1...fxg4
- 2.e4#
- 1...Qd6
- 2.Qc4#
- 1...Bb6
- 2.Qc6#
- 1...Bd6
- 2.Qc4#
- 1...c6
- 2.Qc4#
- 1...Qh6
- 2.Qc4#
- 2.Qxc5#
- 1...Qe7
- 2.Qc4#
- 1...Qg7
- 2.Qc4#
- 2.Qxc5#
- 1...Qd8
- 2.Qc4#
- 2.Qxc5#
- 1...Qh8
- 2.Qc4#
- 2.Qxc5#
- 1...Bd4
- 2.Qc4#
- 2.Qc6#
- 1...Be7
- 2.Qc4#
- 2.Qc6#
- 1...Se3
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 2.Qe5#
- 1...Sd4
- 2.Qc4#
- 1...Se5
- 2.Sf6#
- 2.Qxe5#
- 1...f6
- 2.Qc4#
- threat
- 1.Qxc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::QAR1(G),XB(d)
- Q(i);N_GUARD,XB(J)::QAR1(G),XB(d)
- S(c);SBLOCK::S(F)
- Tries
- Try
- Q(G);N_PINB(d),XP(g)
- Threat
- DUALS(2)
- Vars
- B(d);OGATE::QAB1(G)
- Q(i);N_GUARD::QAR1(G),XB(d)
- Q(i);::QAB1(G)
- Q(i);::S(F)
- P(h);::QAB1(G)
- Refutation
- Q(i);
- Try
- Q(G);N_PINB(d)
- Threat
- DUALS(2)
- Vars
- P(f);N_GUARD,XS(F)::QAB1(G)
- Q(i);::QAB1(G)
- B(d);::QAB1(G)
- S(a);::QAB1(G)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(F)
- Refutation
- B(d);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(i);::QAB1(G)
- S(a);::QAB1(G)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(F)
- Refutation
- P(f);XS(F)
- Try
- Actual
- Q(G);N_PINB(d),XP(b)
- Threat
- DUALS(2)
- Vars
- P(f);N_GUARD,XS(F)::P(C)
- Q(i);::QAB1(G)
- B(d);OGATE::QAB1(G)
- B(d);::QAB1(G)
- P(g);::QAB1(G)
- S(a);::S(F)
- S(c);::QAB1(G)
- P(h);::QAB1(G)
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).