MESON Chess Problem Database
Problem Display
PID: 143373 (8/1n2n1QB/R3Prb1/p1P2N2/2K1k1pP/3NPpB1/5P1P/4R3 w - - 0 1)
Apro, Laszlo
Probleemblad, 1975
#2
14 + 8
| 3195 | idee & form | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Kxf5
- 2.e4#
- 1...Rxf5
- 2.Qd4#
- 1...Rf7
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Bxf5
- 2.Qxg4#
- 1...Bh5
- 2.Sd6#
- 1...Bf7
- 2.Sd6#
- 2.Qxg4#
- 1...Bxh7
- 2.Qxg4#
- 1...Be8
- 2.Sd6#
- 2.Qxg4#
- 1...Sxc5
- 2.Sd6#
- 1...Sd6+
- 2.Sxd6#
- 1...Sd8
- 2.Sd6#
- 1...Sxf5
- 2.Qxb7#
- 1...Kxf5
- Tries
- 1.Bf4?
- threat
- 2.Sg3#
- 1...Sd6+
- 2.Sxd6#
- 1...Kxf5
- 2.e4#
- 1...Rxf5
- 2.Qd4#
- 1...Sxf5
- 2.Qxb7#
- 1...g3
- 2.Sxg3#
- 1...Bxf5!
- threat
- 1.Be5?
- threat
- 2.Sg3#
- 1...Sd6+
- 2.Sxd6#
- 1...Kxf5
- 2.e4#
- 1...Bxf5
- 2.Qxg4#
- 1...Sxf5
- 2.Qxb7#
- 1...g3
- 2.Sxg3#
- 1...Rxf5!
- threat
- 1.Bd6?
- threat
- 2.Sg3#
- 1...Sxd6+
- 2.Sxd6#
- 1...Rxf5
- 2.Qd4#
- 1...Bxf5
- 2.Qxg4#
- 1...Sxf5
- 2.Qxb7#
- 1...g3
- 2.Sxg3#
- 1...Kxf5!
- threat
- 1.Bc7?
- threat
- 2.Sg3#
- 1...Sd6+
- 2.Sxd6#
- 1...Kxf5
- 2.e4#
- 1...Rxf5
- 2.Qd4#
- 1...Bxf5
- 2.Qxg4#
- 1...g3
- 2.Sxg3#
- 1...Sxf5!
- threat
- 1.Bxg6?
- threat
- 2.Sd6#
- 1...Sd6+
- 2.Sxd6#
- 1...Rxf5
- 2.Qd4#
- 2.Qe5#
- 1...Rxg6
- 2.Qe5#
- 1...Sxf5
- 2.Qxb7#
- 1...Sxg6!
- threat
- 1.Qxf6?
- threat
- 2.Qe5#
- 1...Sd6+
- 2.Sxd6#
- 1...Sc6!
- threat
- 1.Bf4?
- Keys
- 1.Bb8!
- threat
- 2.Sg3#
- 1...Sd6+
- 2.Sxd6#
- 1...Kxf5
- 2.e4#
- 1...Rxf5
- 2.Qd4#
- 1...Bxf5
- 2.Qxg4#
- 1...Sxf5
- 2.Qxb7#
- 1...g3
- 2.Sxg3#
- threat
- 1.Bb8!
This is a version of 140134
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- K(b);OGATE,P_SPINB(f),S_FLIGHT,XS(J)::P(E)
- R(e);OGATE,SBLOCK,XS(J)::QAR1(M)
- R(e);OGATE::QAR1(M)
- B(f);OGATE,P_SPINB(f),XS(J)::QAR2(M),XP(c)
- B(f);::B(N)+S(J),DCHECK
- B(f);OGATE,XB(N)::QAR2(M),XP(c)
- S(g);N_GUARD,XP(I)::S(J)
- S(g);CHECK,N_GUARD::S(J),XS(g)
- S(g);N_GUARD::S(J)
- S(h);OGATE,SBLOCK,XS(J)::QAB(M),XS(g)
- Tries
- Try
- B(F);
- Threat
- S(J)
- Vars
- S(g);CHECK,N_GUARD::S(J),XS(g)
- K(b);OGATE,P_SPINB(f),S_FLIGHT,XS(J)::P(E)
- R(e);OGATE,SBLOCK,XS(J)::QAR1(M)
- S(h);OGATE,SBLOCK,XS(J)::QAB(M),XS(g)
- P(c);::S(J),XP(c)
- Refutation
- B(f);P_SPINB(f),XS(J)
- Try
- B(F);
- Threat
- S(J)
- Vars
- S(g);CHECK,N_GUARD::S(J),XS(g)
- K(b);OGATE,P_SPINB(f),S_FLIGHT,XS(J)::P(E)
- B(f);OGATE,P_SPINB(f),XS(J)::QAR2(M),XP(c)
- S(h);OGATE,SBLOCK,XS(J)::QAB(M),XS(g)
- P(c);::S(J),XP(c)
- Refutation
- R(e);XS(J)
- Try
- B(F);
- Threat
- S(J)
- Vars
- S(g);CHECK,XB(F)::S(J),XS(g)
- R(e);OGATE,SBLOCK,XS(J)::QAR1(M)
- B(f);OGATE,P_SPINB(f),XS(J)::QAR2(M),XP(c)
- S(h);OGATE,SBLOCK,XS(J)::QAB(M),XS(g)
- P(c);::S(J),XP(c)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT,XS(J)
- Try
- B(F);
- Threat
- S(J)
- Vars
- S(g);CHECK,N_GUARD::S(J),XS(g)
- K(b);OGATE,P_SPINB(f),S_FLIGHT,XS(J)::P(E)
- R(e);OGATE,SBLOCK,XS(J)::QAR1(M)
- B(f);OGATE,P_SPINB(f),XS(J)::QAR2(M),XP(c)
- P(c);::S(J),XP(c)
- Refutation
- S(h);XS(J)
- Try
- B(N);XB(f)
- Threat
- B(N)+S(J),DCHECK
- Vars
- S(g);CHECK::B(N)+S(J),DCHECK,XS(g)
- R(e);OGATE,XB(N)::QAR1(M)
- S(h);OGATE,P_SPINS(h),XS(J)::QAB(M),XS(g)
- Refutation
- S(h);XB(N)
- Try
- Q(M);XR(e)
- Threat
- QAR1(M)
- Vars
- S(g);CHECK,N_GUARD::S(J),XS(g)
- Refutation
- S(h);
- Try
- Actual
- B(F);
- Threat
- S(J)
- Vars
- S(g);CHECK,N_GUARD::S(J),XS(g)
- K(b);OGATE,P_SPINB(f),S_FLIGHT,XS(J)::P(E)
- R(e);OGATE,SBLOCK,XS(J)::QAR1(M)
- B(f);OGATE,P_SPINB(f),XS(J)::QAR2(M),XP(c)
- S(h);OGATE,SBLOCK,XS(J)::QAB(M),XS(g)
- P(c);::S(J),XP(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).