MESON Chess Problem Database
Problem Display
PID: 97680 (5B1b/P1p1N3/Q6R/K3kp2/RN1n1n2/1p6/1p6/1B6 w - - 0 1)
van Dijk, Nils Gustav Gerard
Problemas, 1976
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Bxg7#
- 1...Sc2
- 2.Sbc6#
- 1...Sde2
- 2.Sbc6#
- 2.Sec6#
- 1...Sf3
- 2.Sbc6#
- 2.Sec6#
- 1...Sb5
- 2.Sbc6#
- 2.Sec6#
- 1...Sc6+
- 2.Sbxc6#
- 2.Sexc6#
- 1...Sde6
- 2.Sec6#
- 1...Sfe2
- 2.Sg6#
- 1...Sg2
- 2.Sg6#
- 1...Sh3
- 2.Sg6#
- 1...Sd5
- 2.Sg6#
- 1...Sh5
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...c5
- 2.Qd6#
- 1...Bf6
- Tries
- 1.Qe2+?
- 1...Sdxe2
- 2.Sbc6#
- 2.Sec6#
- 1...Sfxe2!
- 1...Sdxe2
- 1.Qb5+?
- 1...Sxb5
- 2.Sbc6#
- 2.Sec6#
- 1...c5
- 2.Qb8#
- 1...Sd5!
- 1...Sxb5
- 1.Qe6+?
- 1...Sdxe6
- 2.Sec6#
- 1...Sfxe6!
- 1...Sdxe6
- 1.a8B?
- 1...Sc6+
- 2.Sbxc6#
- 2.Sexc6#
- 1...Sc2
- 2.Sbc6#
- 1...Sde2
- 2.Sbc6#
- 2.Sec6#
- 1...Sf3
- 2.Sbc6#
- 2.Sec6#
- 1...Sb5
- 2.Sbc6#
- 2.Sec6#
- 1...Sde6
- 2.Sec6#
- 1...Sfe2
- 2.Sd3#
- 2.Sg6#
- 1...Sg2
- 2.Sd3#
- 2.Sg6#
- 1...Sd3
- 2.Sxd3#
- 2.Sg6#
- 1...Sh3
- 2.Sd3#
- 2.Sg6#
- 1...Sd5
- 2.Sg6#
- 1...Sh5
- 2.Sd3#
- 2.Sg6#
- 1...Sfe6
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 2.Sxg6#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Bxg7#
- 1...c5
- 2.Qd6#
- 1...c6!
- 1...Sc6+
- 1.Qe2+?
- Keys
- 1.a8Q!
- 1...Sc6+
- 2.Sbxc6#
- 2.Sexc6#
- 1...Sc2
- 2.Sbc6#
- 1...Sde2
- 2.Sbc6#
- 2.Sec6#
- 1...Sf3
- 2.Sbc6#
- 2.Sec6#
- 1...Sb5
- 2.Sbc6#
- 2.Sec6#
- 1...Sde6
- 2.Sec6#
- 1...Sfe2
- 2.Sd3#
- 2.Sg6#
- 1...Sg2
- 2.Sd3#
- 2.Sg6#
- 1...Sd3
- 2.Sxd3#
- 2.Sg6#
- 1...Sh3
- 2.Sd3#
- 2.Sg6#
- 1...Sd5
- 2.Sg6#
- 1...Sh5
- 2.Sd3#
- 2.Sg6#
- 1...Sfe6
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 2.Sxg6#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Bxg7#
- 1...c5
- 2.Qd6#
- 2.Qb8#
- 1...c6
- 2.Qb8#
- 1...Sc6+
- 1.a8Q!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(h);N_GUARD::QAB1(E),XB(h)
- B(h);N_GUARD::B(I),XB(h)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(H)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- P(g);N_GUARD::QAB1(E)
- Tries
- Try
- Q(E);CHECK
- Refutation
- S(d);XQ(E)
- Try
- Q(E);CHECK
- Vars
- P(g);OGATEB,P_SPINP(g)::QAB(E)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(E);CHECK
- Vars
- S(c);XQ(E)::S(H)
- Refutation
- S(d);XQ(E)
- Try
- P(G);
- Vars
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(H)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(C)
- B(h);N_GUARD::QAB1(E),XB(h)
- B(h);N_GUARD::B(I),XB(h)
- P(g);N_GUARD::QAB1(E)
- Refutation
- P(g);
- Try
- Actual
- P(G);
- Vars
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(H)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(C)
- B(h);N_GUARD::QAB1(E),XB(h)
- B(h);N_GUARD::B(I),XB(h)
- P(g);OGATEB::QAB(G)
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).