MESON Chess Problem Database
Problem Display
PID: 16198 (8/P2p4/2p1p1Q1/3kpp2/2RpN3/4p1P1/4B3/3N3K w - - 0 1)
Neyndorff, Luke
StrateGems, 2000
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Sc3#
- 1...d3
- 2.Sxe3#
- 1...f4
- 2.Rc5#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 1...Kxe4
- Tries
- 1.Kg1?
- 1...Kxe4
- 2.Sc3#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.Sxe3#
- 1...f4
- 2.Rc5#
- 1...d6
- 2.Sf6#
- 1...fxe4!
- 1...Kxe4
- 1.Kg2?
- 1...Kxe4
- 2.Sc3#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.Sxe3#
- 1...f4
- 2.Rc5#
- 1...d6
- 2.Sf6#
- 1...fxe4!
- 1...Kxe4
- 1.Kh2?
- 1...Kxe4
- 2.Sc3#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.Sxe3#
- 1...f4
- 2.Rc5#
- 1...d6
- 2.Sf6#
- 1...fxe4!
- 1...Kxe4
- 1.Bd3?
- threat
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 1...fxe4!
- threat
- 1.Qxf5?
- threat
- 2.Rc5#
- 1...d3
- 2.Sxe3#
- 1...c5
- 2.Rxc5#
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 1...exf5!
- threat
- 1.Qf7?
- 1...Kxe4
- 2.Sc3#
- 1...fxe4
- 2.Qxd7#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 1...d3
- 2.Sxe3#
- 1...f4!
- 1...Kxe4
- 1.Qe8?
- 1...Kxe4
- 2.Sc3#
- 1...fxe4
- 2.Qxd7#
- 1...c5
- 2.Qa8#
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 2.Qxc6#
- 1...d3
- 2.Sxe3#
- 1...f4!
- 1...Kxe4
- 1.Qg7?
- 1...Kxe4
- 2.Sc3#
- 1...fxe4
- 2.Qxd7#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.Sxe3#
- 1...d6
- 2.Sf6#
- 1...f4!
- 1...Kxe4
- 1.a8Q?
- 1...Kxe4
- 2.Sc3#
- 1...f4
- 2.Rc5#
- 1...d3
- 2.Sxe3#
- 1...d6
- 2.Sf6#
- 2.Qxc6#
- 1...fxe4!
- 1...Kxe4
- 1.a8B?
- 1...Kxe4
- 2.Sc3#
- 1...f4
- 2.Rc5#
- 1...d3
- 2.Sxe3#
- 1...d6
- 2.Sf6#
- 2.Bxc6#
- 1...fxe4!
- 1...Kxe4
- 1.Kg1?
- Keys
- 1.Qh7!
- 1...Kxe4
- 2.Sc3#
- 1...fxe4
- 2.Qxd7#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Sf6#
- 1...d3
- 2.Sxe3#
- 1...f4
- 2.Rc5#
- 1...Kxe4
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(b);N_GUARD::S(A),XP(a)
- P(e);::R1(E)
- P(f);::P=Q
- P(h);SBLOCK::S(F)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(f);::P=Q
- P(b);N_GUARD::S(A),XP(a)
- P(e);::R1(E)
- P(h);SBLOCK::S(F)
- Refutation
- P(e);XS(F)
- Try
- K(B);S_FLIGHT
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(f);::P=Q
- P(b);N_GUARD::S(A),XP(a)
- P(e);::R1(E)
- P(h);SBLOCK::S(F)
- Refutation
- P(e);XS(F)
- Try
- K(B);P-FLIGHT
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(f);::P=Q
- P(b);N_GUARD::S(A),XP(a)
- P(e);::R1(E)
- P(h);SBLOCK::S(F)
- Refutation
- P(e);XS(F)
- Try
- B(C);
- Threat
- R1(E)
- Vars
- P(h);SBLOCK::S(F)
- Refutation
- P(e);XS(F)
- Try
- Q(G);P_PINP(d),XP(e)
- Threat
- R1(E)
- Vars
- P(b);N_GUARD::S(A),XP(a)
- P(h);SBLOCK::S(F)
- Refutation
- P(g);N_SPINP(d),XQ(G)
- Try
- Q(G);P_PINP(g)
- Vars
- K(c);N_SPINP(g),P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);SBLOCK,XS(F)::QAR2(G),XP(h)
- P(f);::P=Q
- P(h);SBLOCK::S(F)
- P(b);N_GUARD::S(A),XP(a)
- Refutation
- P(e);
- Try
- Q(G);
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);SBLOCK,XS(F)::QAR2(G),XP(h)
- P(b);N_GUARD::S(A),XP(a)
- Refutation
- P(e);
- Try
- Q(G);
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);SBLOCK,XS(F)::QAR2(G),XP(h)
- P(f);::P=Q
- P(b);N_GUARD::S(A),XP(a)
- P(h);SBLOCK::S(F)
- Refutation
- P(e);
- Try
- P(H);P_PINP(f)
- Vars
- K(c);N_SPINP(f),P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);::R1(E)
- P(b);N_GUARD::S(A),XP(a)
- Refutation
- P(e);XS(F)
- Try
- P(H);P_PINP(f)
- Vars
- K(c);N_SPINP(f),P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);::R1(E)
- P(b);N_GUARD::S(A),XP(a)
- Refutation
- P(e);XS(F)
- Try
- Actual
- Q(G);
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(F)::S(A)
- P(e);SBLOCK,XS(F)::QAR2(G),XP(h)
- P(f);::P=Q
- P(h);SBLOCK::S(F)
- P(b);N_GUARD::S(A),XP(a)
- P(e);::R1(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).