MESON Chess Problem Database
Problem Display
PID: 182732 (K6B/8/2N5/Q3n3/4kn1N/2p1p3/8/5R2 w - - 0 1)
Bylevski, Aleksandr
Boletim da UBP, 1990
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sc4
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sxc6
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sd3
- Tries
- 1.Rd1?
- threat
- 2.Rd4#
- 2.Qxe5#
- 1...Sxc6
- 2.Qf5#
- 1...Se2
- 2.Qxe5#
- 1...Sd5
- 2.Rd4#
- 1...Se6
- 2.Qxe5#
- 1...Sfg6
- 2.Rd4#
- 1...e2
- 2.Qxe5#
- 1...Sed3
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sc4
- 2.Rd4#
- 2.Qf5#
- 1...Sg4
- 2.Rd4#
- 2.Qb4#
- 2.Qa4#
- 2.Qf5#
- 1...Seg6
- 2.Rd4#
- 2.Qb4#
- 2.Qa4#
- 2.Qf5#
- 1...Sd7
- 2.Rd4#
- 2.Qb4#
- 2.Qa4#
- 2.Qf5#
- 1...Sf7
- 2.Rd4#
- 2.Qb4#
- 2.Qa4#
- 2.Qf5#
- 1...Sfd3!
- threat
- 1.Rd1?
- Keys
- 1.Sb4!
- threat
- 2.Qxe5#
- 1...Kd4
- 2.Rxf4#
- 1...Sfd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfg6
- 2.Qd5#
- 1...Sed3
- 2.Qf5#
- 1...Sf3
- 2.Qf5#
- 1...Sc4
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sc6
- 2.Qf5#
- 1...Seg6
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(e);OGATE,SBLOCK::QAB1(C)
- S(e);OGATE::QAB1(C)
- S(e);OGATE,XS(D)::QAB1(C)
- Tries
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(e);OGATE,XS(D)::QAB1(C)
- S(d);::QAR1(C),XS(e)
- S(d);::R1(A)
- P(b);::QAR1(C),XS(e)
- S(e);OGATE::QAB1(C)
- Refutation
- S(d);
- Try
- Actual
- S(D);
- Threat
- QAR1(C),XS(e)
- Vars
- K(c);P-FLIGHT,P_SPINS(e)::R(A),XS(d)
- S(d);N_GUARD::QAB1(C)
- S(d);N_GUARD::QAB1(C),XS(d)
- S(e);OGATE::QAB1(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).