MESON Chess Problem Database
Problem Display
PID: 67978 (8/p3K3/2P2P1p/1QP1kNRb/2P1n1P1/r3b1P1/1q1PRnN1/B6B w - - 0 1)
Lyris, Basil D
3rd Prize, Die Schwalbe, 1985/II
#2
15 + 9
| 5406 | Selected Chess Compositions by Greek Composers | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bxd2
- 2.Qb8#
- 1...Bd4
- 2.Sxh6#
- 1...Bf4
- 2.Qb8#
- 2.gxf4#
- 1...Bxc5+
- 2.Qxc5#
- 1...Bxg5
- 2.Qb8#
- 1...Bxd2
- Tries
- 1.Se1?
- threat
- 2.Sf3#
- 1...Bxc5+
- 2.Qxc5#
- 1...Bxd2
- 2.Qb8#
- 1...Bxg5
- 2.Qb8#
- 1...Sxd2
- 2.Qb8#
- 1...Sxg3
- 2.Qb8#
- 1...Sxc5
- 2.Qxc5#
- 2.Qb8#
- 1...Sxg5
- 2.Qb8#
- 1...Sxf6
- 2.Qb8#
- 1...Bd4
- 2.Sxh6#
- 1...Bf4
- 2.Qb8#
- 1...Sc3
- 2.d4#
- 1...Sd6
- 2.cxd6#
- 1...Bxg4!
- threat
- 1.d4+?
- 1...Bxd4
- 2.Sxh6#
- 1...Qxd4!
- 1...Bxd4
- 1.Se1?
- Keys
- 1.Sgh4!
- threat
- 2.Sf3#
- 1...Bxc5+
- 2.Qxc5#
- 1...Bxd2
- 2.Qb8#
- 1...Bxg5
- 2.Qb8#
- 1...Bxg4
- 2.Sg6#
- 1...Sxd2
- 2.Qb8#
- 1...Sxg3
- 2.Qb8#
- 1...Sxc5
- 2.Qxc5#
- 2.Qb8#
- 1...Sxg5
- 2.Qb8#
- 1...Sxf6
- 2.Qb8#
- 1...Bd4
- 2.Sxh6#
- 1...Bf4
- 2.Qb8#
- 1...Sc3
- 2.d4#
- 1...Sd6
- 2.cxd6#
- threat
- 1.Sgh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- B(d);P_SPINS(e),XP(C)::QAB(I)
- B(d);N_GUARD,N_SPINQ(a),P_SPINS(e),SBLOCK::R(L)+S(K),XP(h)
- B(d);CHECK,OGATE,P_SPINB(d),P_SPINS(e),XP(J)::QAR2(I),XB(d)
- B(d);P_PINP(N),P_SPINS(e),XR(L)::QAB(I)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),P_SPINS(e),XP(J)::QAR2(I),XB(d)
- B(d);P_SPINS(e),XP(C)::QAB(I)
- B(d);P_PINP(N),P_SPINS(e),XR(L)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XP(C)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XP(F)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XR(L)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XP(N)::QAB(I)
- B(d);N_GUARD,N_SPINQ(a),P_SPINS(e),SBLOCK::R(L)+S(K),XP(h)
- B(d);P_SPINS(e)::QAB(I)
- S(e);N_SPINQ(a),P_SPINB(d),S_CUTQ(a)::P(C)
- S(e);OGATE,P_SPINB(d)::QAR(I)+P(J),XS(e)
- Refutation
- B(g);XP(H)
- Try
- P(C);CHECK,N_PINQ(a)
- Vars
- B(d);P_SPINS(e),SBLOCK,XP(C)::R(L)+S(K),XP(h)
- Refutation
- Q(a);P_SPINQ(a),XP(C)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),P_SPINS(e),XP(J)::QAR2(I),XB(d)
- B(d);P_SPINS(e),XP(C)::QAB(I)
- B(d);P_PINP(N),P_SPINS(e),XR(L)::QAB(I)
- B(g);N_GUARD,XP(H)::S(E)
- S(e);N_GUARD,P_SPINB(d),XP(C)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XP(F)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XR(L)::QAB(I)
- S(e);N_GUARD,P_SPINB(d),XP(N)::QAB(I)
- B(d);N_GUARD,N_SPINQ(a),P_SPINS(e),SBLOCK::R(L)+S(K),XP(h)
- B(d);P_SPINS(e)::QAB(I)
- S(e);N_SPINQ(a),P_SPINB(d),S_CUTQ(a)::P(C)
- S(e);OGATE,P_SPINB(d)::QAR(I)+P(J),XS(e)
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).