MESON Chess Problem Database
Problem Display
PID: 84990 (B4n2/3rp1Q1/1pR1b1pp/1q1n1pr1/1pp1k2N/6p1/2P3P1/2B1K3 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Variantim, 2002
#2
8 + 15
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Rxc4#
- 1...Qa5
- 2.Rxc4#
- 1...Sc3
- 2.Rxc4#
- 2.Rxe6#
- 1...Se3
- 2.Rxc4#
- 1...Sf4
- 2.Rxc4#
- 2.Rxe6#
- 1...Sc7
- 2.Rxc4#
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...Qa4
- Tries
- 1.Sf3?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Sc3
- 2.Rxc4#
- 2.Rxe6#
- 1...Se3
- 2.Rxc4#
- 1...Sf4
- 2.Rxc4#
- 2.Rxe6#
- 1...Sf6
- 2.Rxc4#
- 2.Rxe6#
- 1...Sc7
- 2.Rxc4#
- 2.Rxe6#
- 1...Qc5
- 2.Qe5#
- 1...f4!
- threat
- 1.Be3?
- threat
- 2.Qd4#
- 1...Kxe3
- 2.Qe5#
- 1...Sxe3
- 2.Rxc4#
- 1...Sc3
- 2.Rxe6#
- 1...Sf4
- 2.Rxe6#
- 1...Sf6
- 2.Rxe6#
- 1...Sc7
- 2.Rxe6#
- 1...Qc5!
- threat
- 1.Sf3?
- Keys
- 1.Bf4!
- threat
- 2.Qe5#
- 1...Kxf4
- 2.Qd4#
- 1...Sxf4
- 2.Rxe6#
- 1...Sc3
- 2.Rxc4#
- 1...Se3
- 2.Rxc4#
- 1...Sf6
- 2.Rxc4#
- 1...Sc7
- 2.Rxc4#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- Q(e);N_GUARD::R(F),XP(c)
- S(f);::B(H)+R(F),DCHECK,XP(c)
- S(o);N_GUARD::R(F),XB(j)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(f);::B(H)+R(F),DCHECK,XP(c)
- Q(e);::QAR1(G)
- Refutation
- P(g);
- Try
- B(A);
- Threat
- QAR1(G)
- Vars
- K(d);P-FLIGHT,XB(A)::QAR2(G)
- S(f);SBLOCK,XB(A)::B(H)+R(F),DCHECK,XP(c)
- S(f);::B(H)+R(F),DCHECK,XB(j)
- Refutation
- Q(e);
- Try
- Actual
- B(A);
- Threat
- QAR1(G)
- Vars
- K(d);P-FLIGHT,XB(A)::QAR2(G)
- S(f);SBLOCK,XB(A)::B(H)+R(F),DCHECK,XB(j)
- S(f);::B(H)+R(F),DCHECK,XP(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).