MESON Chess Problem Database
Problem Display
PID: 250772 (8/2nrB3/1QN2p2/P1pk3K/p5R1/qb3n2/p1pPR1N1/7B w - - 0 1)
Sovik, Stefan
1st HM., Thessalonika-2300 JT, 1986-1988
#2
10 + 11
| 14867 | BCPS Library | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qxc5#
- 1...Qb2
- 2.Qxc5#
- 1...Rxe7
- 2.Sxe7#
- 1...Bc4
- 2.Sf4#
- 1...Se1
- 2.Sxe1#
- 1...Sh4
- 2.Sxh4#
- 1...Se6
- 2.Se3#
- 1...c4
- 2.Sf4#
- 1...Qc1
- Tries
- 1.Sb4+?
- 1...cxb4
- 2.Qc5#
- 2.Qb7#
- 1...Qxb4!
- 1...cxb4
- 1.Sa7?
- threat
- 2.Qc6#
- 2.Qb7#
- 1...Rxe7
- 2.Qc6#
- 1...Qb4
- 2.Qc6#
- 1...Rd6
- 2.Qxd6#
- 1...Se5
- 2.Se3#
- 1...Sb5
- 2.Qc6#
- 2.Qe6#
- 1...Sa6
- 2.Qc6#
- 2.Qe6#
- 1...Se6
- 2.Qc6#
- 2.Qxe6#
- 1...Sa8
- 2.Qc6#
- 2.Qe6#
- 1...Se8
- 2.Qc6#
- 2.Qe6#
- 1...Sd4!
- threat
- 1.Sb8?
- threat
- 2.Qc6#
- 2.Qb7#
- 1...Rxe7
- 2.Qc6#
- 1...Qb4
- 2.Qc6#
- 1...Rd6
- 2.Qxd6#
- 1...Se5
- 2.Se3#
- 1...Sb5
- 2.Qc6#
- 2.Qe6#
- 1...Sa6
- 2.Qc6#
- 2.Qe6#
- 1...Se6
- 2.Qc6#
- 2.Qxe6#
- 1...Sa8
- 2.Qc6#
- 2.Qe6#
- 1...Se8
- 2.Qc6#
- 2.Qe6#
- 1...Sd4!
- threat
- 1.Sd8?
- threat
- 2.Qc6#
- 2.Qb7#
- 1...Rxe7
- 2.Qc6#
- 1...Rxd8
- 2.Qb7#
- 1...Qb4
- 2.Qc6#
- 1...Rd6
- 2.Qxd6#
- 1...Se5
- 2.Se3#
- 1...Sb5
- 2.Qc6#
- 2.Qe6#
- 1...Sa6
- 2.Qc6#
- 2.Qe6#
- 1...Se6
- 2.Qc6#
- 2.Qxe6#
- 1...Sa8
- 2.Qc6#
- 2.Qe6#
- 1...Se8
- 2.Qc6#
- 2.Qe6#
- 1...Sd4!
- threat
- 1.Ree4?
- threat
- 2.Se3#
- 1...Rxe7
- 2.Sxe7#
- 1...Se5
- 2.Sf4#
- 1...Bc4!
- threat
- 1.Rb4?
- threat
- 2.Sf4#
- 2.Qxc5#
- 1...Rxe7
- 2.Sxe7#
- 1...cxb4
- 2.Qc5#
- 1...Se5
- 2.Sf4#
- 1...c1Q
- 2.Sf4#
- 1...c1R
- 2.Sf4#
- 1...Rd6
- 2.Sf4#
- 1...Sa6
- 2.Sf4#
- 1...Se6
- 2.Se3#
- 1...c4
- 2.Sf4#
- 2.Qc5#
- 1...Qxb4!
- threat
- 1.Rge4?
- threat
- 2.Sf4#
- 1...Rxe7
- 2.Sxe7#
- 1...Sd4
- 2.Se3#
- 1...Se6!
- threat
- 1.Sb4+?
- Keys
- 1.Se5!
- threat
- 2.Qc6#
- 1...Sxe5
- 2.Se3#
- 1...fxe5
- 2.Se3#
- 1...Rd6
- 2.Qxd6#
- 1...Sd4
- 2.Sf4#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(c);N_GUARD::QAR1(H),XP(g)
- R(k);XB(J)::S(I),XR(k)
- B(d);SBLOCK::S(D)
- S(e);::B(A)+S(D),XS(e)
- S(j);SBLOCK::S(D)
- P(g);SBLOCK::S(D)
- Tries
- Try
- S(I);CHECK
- Refutation
- Q(c);XS(I)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(k);XB(J)::QAB1(H)
- Q(c);::QAB1(H)
- R(k);N_GUARD::QAR1(H),XR(k)
- S(e);SBLOCK::B(A)+S(D),DCHECK
- Refutation
- S(e);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(k);XB(J)::QAB1(H)
- Q(c);::QAB1(H)
- R(k);N_GUARD::QAR1(H),XR(k)
- S(e);SBLOCK::B(A)+S(D),DCHECK
- Refutation
- S(e);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(k);XB(J)::QAB1(H)
- R(k);XS(I)::QAB(H)
- Q(c);::QAB1(H)
- R(k);N_GUARD::QAR1(H),XR(k)
- S(e);SBLOCK::B(A)+S(D),DCHECK
- Refutation
- S(e);
- Try
- R(C);
- Threat
- S(D)
- Vars
- R(k);XB(J)::S(I),XR(k)
- S(e);::S(D)
- Refutation
- B(d);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(k);XB(J)::S(I),XR(k)
- P(g);XR(E)::QAR1(H)
- S(e);::B(A)+S(D),DCHECK
- P(b);::S(D)
- R(k);::S(D)
- S(j);::S(D)
- S(j);SBLOCK::S(D)
- Refutation
- Q(c);XR(E)
- Try
- R(E);
- Threat
- S(D)
- Vars
- R(k);XB(J)::S(I),XR(k)
- S(e);::S(D)
- Refutation
- S(j);
- Try
- Actual
- S(I);
- Threat
- QAB1(H)
- Vars
- S(e);SBLOCK,XS(I)::B(A)+S(D),DCHECK
- P(i);SBLOCK,XS(I)::S(D)
- R(k);N_GUARD::QAR1(H),XR(k)
- S(e);SBLOCK::B(A)+S(D),DCHECK
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).