MESON Chess Problem Database
Problem Display
PID: 7729 (8/5p2/2K3p1/1p1N3b/1P1kp3/nR1P2Q1/3B4/3n4 w - - 0 1)
Paslack, Rainer
idee & form, 1993
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Bc3#
- 2.Be3#
- 1...Sf2
- 2.Bc3#
- 2.Be3#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bxe3#
- 1...exd3
- 2.Qf4#
- 1...e3
- 2.Qf4#
- 1...Sb2
- Tries
- 1.Sc3?
- threat
- 2.Qd6#
- 1...Sxc3
- 2.Bxc3#
- 1...exd3
- 2.Qf4#
- 1...Sc4
- 2.Sxb5#
- 1...Se3!
- threat
- 1.Se3?
- threat
- 2.Qd6#
- 1...Sxe3
- 2.Bxe3#
- 1...exd3
- 2.Qf4#
- 1...Sc4
- 2.Sc2#
- 1...Sc3!
- threat
- 1.Sb6?
- threat
- 2.Qd6#
- 1...exd3
- 2.Qf4#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bxe3#
- 1...Sc4!
- threat
- 1.Sf6?
- threat
- 2.Qd6#
- 1...exd3
- 2.Qf4#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bxe3#
- 1...Sc4!
- threat
- 1.Se7?
- threat
- 2.Qd6#
- 1...exd3
- 2.Qf4#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bxe3#
- 1...Sc4!
- threat
- 1.Bg5?
- threat
- 2.Bf6#
- 1...exd3
- 2.Qf4#
- 1...f6
- 2.Bxf6#
- 1...Sc4!
- threat
- 1.Qf2+?
- 1...Ke5
- 2.Qf6#
- 1...Se3
- 2.Qf6#
- 1...e3
- 2.Qf4#
- 2.Qf6#
- 1...Sxf2!
- 1...Ke5
- 1.Qh4?
- threat
- 2.Qf6#
- 2.Qxe4#
- 1...Ke5
- 2.Qf6#
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...Bf3
- 2.Qf6#
- 1...Bg4
- 2.Qf6#
- 1...Sf2
- 2.Qf6#
- 1...g5
- 2.Qxe4#
- 1...f5
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 2.Qxe4#
- 1...Sc3!
- threat
- 1.Qd6?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qf6#
- 1...exd3
- 2.Qf4#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sxe3#
- 2.Bxe3#
- 2.Qf6#
- 1...e3
- 2.Sc3#
- 2.Sxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qf4#
- 2.Qf6#
- 1...f6
- 2.Sc3#
- 2.Se3#
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxf6#
- 1...Sc4!
- threat
- 1.Qe3+?
- 1...Ke5
- 2.Qxe4#
- 1...Sxe3!
- 1...Ke5
- 1.Sc3?
- Keys
- 1.Sc7!
- threat
- 2.Qd6#
- 1...exd3
- 2.Qf4#
- 1...Sc4
- 2.Sxb5#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bxe3#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::B(A),XS(a)
- P(d);OGATEB,XP(C)::QAR2(D)
- P(d);OGATEB::QAR2(D)
- Tries
- Try
- S(F);
- Threat
- QAR2(D)
- Vars
- S(a);OGATE,XS(F)::B(A),XS(a)
- P(d);OGATEB,SBLOCK,XP(C)::QAR2(D)
- S(b);N_GUARD::S(F),XP(e)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAR2(D)
- Vars
- S(a);OGATE,XS(F)::B(A),XS(a)
- P(d);OGATEB,XP(C)::QAR2(D)
- S(b);N_GUARD::S(F)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAR2(D)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- S(b);
- Try
- S(F);
- Threat
- QAR2(D)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- S(b);
- Try
- S(F);
- Threat
- QAR2(D)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- S(b);
- Try
- B(A);
- Threat
- B(A)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- P(h);::B(A),XP(h)
- Refutation
- S(b);
- Try
- Q(D);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);P_SPINS(a)::QAB(D)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(b);::QAR1(D),XP(d)
- B(f);::QAB(D)
- B(f);N_SPINP(d)::QAB(D)
- S(a);::QAB(D)
- P(g);::QAR1(D),XP(d)
- P(h);::QAB(D)
- Refutation
- S(a);
- Try
- Q(D);
- Threat
- DUALS(8)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- S(a);::QAR(D)+S(F),XS(a)
- Refutation
- S(b);
- Try
- Q(D);CHECK
- Vars
- K(c);P_SPINP(d),S_FLIGHT::QAR1(D),XP(d)
- Refutation
- S(a);XQ(D)
- Try
- Actual
- S(F);
- Threat
- QAR2(D)
- Vars
- P(d);OGATEB,XP(C)::QAR2(D)
- S(b);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::B(A),XS(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).