MESON Chess Problem Database
Problem Display
PID: 163122 (7n/3Q2p1/6pP/3p3b/2pNP1p1/6BP/8/5k1K w - - 0 1)
Pitkanen, Jorma
Tehtavaniekka, 2015
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qb5#
- 1...gxh3
- 2.Qxh3#
- 1...g5
- 2.Qf5#
- 1...Sf7
- Tries
- 1.Qxd5?
- threat
- 2.Qxc4#
- 1...c3
- 2.Qc4#
- 2.Qb5#
- 1...gxh3!
- threat
- 1.exd5?
- 1...gxh3
- 2.Qxh3#
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qb5#
- 1...g5
- 2.Qf5#
- 1...gxh6!
- 1...gxh3
- 1.e5?
- 1...gxh3
- 2.Qxh3#
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qb5#
- 1...g5
- 2.Qf5#
- 1...gxh6!
- 1...gxh3
- 1.hxg7?
- 1...gxh3
- 2.Qxh3#
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qb5#
- 1...g5
- 2.Qf5#
- 1...dxe4!
- 1...gxh3
- 1.h7?
- 1...gxh3
- 2.Qxh3#
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qb5#
- 1...g5
- 2.Qf5#
- 1...dxe4!
- 1...gxh3
- 1.Qxd5?
- Keys
- 1.Qe6!
- 1...gxh3
- 2.Qxh3#
- 1...dxe4
- 2.Qxc4#
- 1...gxh6
- 2.Qf6#
- 1...Sf7
- 2.Qxf7#
- 1...c3
- 2.Qa6#
- 1...g5
- 2.Qf5#
- 1...gxh3
- 1.Qe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- P(f);N_GUARD::QAR(G)
- Tries
- Try
- Q(G);XP(d)
- Threat
- QAB(G),XP(b)
- Refutation
- P(c);XP(C)
- Try
- P(E);XP(d)
- Vars
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(f);N_GUARD::QAR(G)
- Refutation
- P(g);XP(F)
- Try
- P(E);
- Vars
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(f);N_GUARD::QAR(G)
- Refutation
- P(g);XP(F)
- Try
- P(F);XP(g)
- Vars
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(f);N_GUARD::QAR(G)
- Refutation
- P(d);XP(E)
- Try
- P(F);
- Vars
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(f);N_GUARD::QAR(G)
- Refutation
- P(d);XP(E)
- Try
- Actual
- Q(G);
- Vars
- P(c);OGATE,XP(C)::QAB(G),XP(c)
- P(d);OGATE,XP(E)::QAB(G),XP(b)
- P(g);N_GUARD,XP(F)::QAR(G)
- S(h);N_GUARD::QAR(G),XS(h)
- P(b);OGATEB::QAB(G)
- P(f);N_GUARD::QAR(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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