MESON Chess Problem Database
Problem Display
PID: 94983 (8/2n5/4N3/8/K1k5/2pp1r1Q/2N5/8 w - - 0 1)
Galkin, B
Cherkasskaya Pravda, 1984
#2
4 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rf4
- 2.Se3#
- 1...Rf5
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 1...Rf7
- 2.Se3#
- 1...Rf8
- 2.Se3#
- 1...Sd5
- 2.Sa3#
- 1...Rf1
- Tries
- 1.Qg4+?
- 1...Rf4
- 2.Se3#
- 1...Kd5!
- 1...Rf4
- 1.Qxf3?
- threat
- 2.Sa3#
- 2.Se3#
- 2.Qe4#
- 2.Qc6#
- 1...dxc2
- 2.Qe4#
- 1...Sb5
- 2.Se3#
- 2.Qc6#
- 1...Sd5
- 2.Sa3#
- 2.Qe4#
- 1...Sa6
- 2.Sa3#
- 2.Se3#
- 2.Qe4#
- 1...d2
- 2.Sa3#
- 2.Qe4#
- 1...Sxe6!
- threat
- 1.Qh4+?
- 1...Rf4
- 2.Se3#
- 1...Kd5!
- 1...Rf4
- 1.Qg4+?
- Keys
- 1.Qf5!
- threat
- 2.Sa3#
- 2.Qe4#
- 2.Qc5#
- 1...Rxf5
- 2.Se3#
- 1...Sxe6
- 2.Qb5#
- 1...dxc2
- 2.Qe4#
- 1...Re3
- 2.Sa3#
- 2.Sxe3#
- 2.Qc5#
- 1...Rf4
- 2.Sa3#
- 2.Se3#
- 2.Qc5#
- 1...Sb5
- 2.Qxb5#
- 2.Qc5#
- 1...Sd5
- 2.Sa3#
- 2.Qe4#
- 1...Sa6
- 2.Sa3#
- 2.Qe4#
- 2.Qb5#
- 1...d2
- 2.Sa3#
- 2.Qe4#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- S(e);SBLOCK::S(A)
- Tries
- Try
- Q(B);CHECK
- Vars
- R(c);P_SPINR(c)::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(B);XR(c)
- Threat
- DUALS(4)
- Vars
- P(b);XS(A)::QAR2(B)
- Refutation
- S(e);XS(D)
- Try
- Q(B);CHECK
- Vars
- R(c);P_SPINR(c)::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(c);N_GUARD,XQ(B)::S(A)
- S(e);N_GUARD,XS(D)::QAB1(B)
- P(b);XS(A)::QAR2(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).