MESON Chess Problem Database
Problem Display
PID: 244957 (3R4/3q1N2/2R2n2/1BPnP3/3k2p1/1K6/3B4/5N1Q w - - 0 1)
Segers, Marcel
The Problemist, 1989
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Bc3#
- 2.Be3#
- 1...Qxc6
- 2.Be3#
- 1...Qe6
- 2.Bc3#
- 2.Be3#
- 1...Qc8
- 2.Bc3#
- 2.Be3#
- 1...Qe8
- 2.Bc3#
- 2.Be3#
- 1...Qa7
- 2.Bc3#
- 2.Be3#
- 1...Qb7
- 2.Bc3#
- 2.Be3#
- 1...Qc7
- 2.Bc3#
- 2.Be3#
- 1...Qe7
- 2.Bc3#
- 2.Be3#
- 1...Qxf7
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 2.Be3#
- 1...Se3
- 2.Bc3#
- 2.Bxe3#
- 1...Sb4
- 2.Bc3#
- 2.Be3#
- 1...Sf4
- 2.Bc3#
- 2.Be3#
- 1...Sb6
- 2.Bc3#
- 2.Be3#
- 1...Sc7
- 2.Bc3#
- 2.Be3#
- 1...Se7
- 2.Bc3#
- 2.Be3#
- 1...Qf5
- Tries
- 1.Rxd7?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Se4
- 2.Be3#
- 1...Sxd7!
- threat
- 1.Qf3?
- threat
- 2.Qd3#
- 1...Qxc6
- 2.Be3#
- 2.Qe3#
- 1...Qxf7
- 2.Bc3#
- 2.Qe3#
- 1...Qf5
- 2.Bc3#
- 2.Be3#
- 2.Qe3#
- 1...Se3
- 2.Bc3#
- 2.Bxe3#
- 1...Sb4
- 2.Bc3#
- 2.Be3#
- 1...Sf4
- 2.Bc3#
- 2.Be3#
- 1...gxf3!
- threat
- 1.Rxd7?
- Keys
- 1.Sg3!
- threat
- 2.Se2#
- 1...Qxc6
- 2.Qg1#
- 1...Qxf7
- 2.Qa1#
- 1...Sc3
- 2.Sf5#
- 1...Sf4
- 2.Sf5#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(e);P_SPINS(c),XR(H)::B(C)
- Q(e);P_SPINS(c),XS(I)::B(C)
- Tries
- Try
- R(J);P_PINS(c),XQ(e)
- Threat
- DUALS(2)
- Vars
- S(d);::B(C)
- Refutation
- S(d);N_SPINS(c),XR(J)
- Try
- Q(B);
- Threat
- QAR1(B)
- Refutation
- P(b);XQ(B)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- Q(e);P_SPINS(c),XR(H)::QAB(B)
- Q(e);P_SPINS(c),XS(I)::QAB(B)
- S(c);P_SPINQ(e)::S(A)
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).