MESON Chess Problem Database
Problem Display
PID: 229308 (8/1pp1K3/2k5/n6R/2p5/1PP1BN2/1Q6/5r2 w - - 0 1)
Syzonenko, Viktor N
The Macedonian Problemist, 2020
#2
7 + 6
SOLUTION
- SOUND
- Tries
- 1.Qc2?
- threat
- 2.Qe4#
- 2.Qg6#
- 1...Rxf3
- 2.Qe4#
- 1...b5
- 2.Qe4#
- 1...b6
- 2.Qe4#
- 1...Rg1
- 2.Qe4#
- 1...Rd1!
- threat
- 1.Qd2?
- threat
- 2.Qd5#
- 2.Qd7#
- 1...b5
- 2.Qd5#
- 1...b6
- 2.Qd5#
- 1...Rd1!
- threat
- 1.bxc4?
- threat
- 2.Sd4#
- 2.Se5#
- 2.Rc5#
- 2.Rh6#
- 2.Qb5#
- 1...Rxf3
- 2.Rc5#
- 2.Qb5#
- 1...Sxc4
- 2.Sd4#
- 2.Rc5#
- 2.Qb5#
- 1...b5
- 2.Qxb5#
- 1...Rd1
- 2.Se5#
- 2.Rc5#
- 2.Qb5#
- 1...Rb1
- 2.Sd4#
- 2.Se5#
- 2.Rc5#
- 2.Rh6#
- 1...Rg1
- 2.Sd4#
- 2.Se5#
- 2.Rc5#
- 2.Qb5#
- 1...Rh1
- 2.Sd4#
- 2.Se5#
- 2.Rc5#
- 2.Qb5#
- 1...Sb3
- 2.Se5#
- 2.Rh6#
- 1...b6!
- threat
- 1.Qc2?
- Keys
- 1.Qg2!
- threat
- 2.Qg6#
- 1...Rxf3
- 2.Qxf3#
- 1...b5
- 2.Se5#
- 1...b6
- 2.Sd4#
- 1...Rd1
- 2.Sd2#
- 1...Rg1
- 2.Sxg1#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);XS(E)::QAB(A)
- P(e);::QAB(A)
- R(a);::QAB(A)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(A)
- Refutation
- R(a);
- Try
- P(B);XP(b)
- Threat
- DUALS(5)
- Vars
- P(e);::QAB1(A),XP(e)
- Refutation
- P(e);
- Try
- Actual
- Q(A);
- Threat
- QAR(A)
- Vars
- R(a);OGATE,P_SPINR(a),XS(E)::QAB(A),XR(a)
- P(e);SBLOCK::QAB(A)+S(E),DCHECK
- R(a);N_GUARD::QAB(A)+S(E)
- R(a);N_GUARD::QAB(A)+S(E),XR(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).