MESON Chess Problem Database
Problem Display
PID: 76197 (KB1N4/6Pq/1p1N2Bn/R1bkp3/2p2p2/5P2/3p4/Q6b w - - 0 1)
Lincoln, Robert A
1st HM., SSA 021. TT, 2005
#2
9 + 10
| 145 | StrateGems | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qg8
- 2.Be4#
- 1...Qxg7
- 2.Be4#
- 1...Qh8
- 2.Be4#
- 1...Sg4
- 2.Bf7#
- 1...Sf5
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Qg8
- Tries
- 1.Sf5?
- threat
- 2.Se7#
- 2.Qxe5#
- 1...Sxf5
- 2.Bf7#
- 2.Qxe5#
- 1...bxa5
- 2.Qxe5#
- 1...c3
- 2.Qa2#
- 1...Sg4
- 2.Se7#
- 2.Bf7#
- 1...Sf7
- 2.Se7#
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 2.Qxe5#
- 1...e4
- 2.Se7#
- 2.Qd4#
- 2.Qe5#
- 1...b5
- 2.Qxe5#
- 1...Qxg7!
- threat
- 1.S6b7?
- threat
- 2.Qxe5#
- 1...Qxg7
- 2.Be4#
- 1...Sg4
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...e4
- 2.Qe5#
- 1...c3!
- threat
- 1.Sc8?
- threat
- 2.Sxb6#
- 2.Se7#
- 2.Qxe5#
- 1...Qxg6
- 2.Se7#
- 2.Qxe5#
- 1...Qxg7
- 2.Sxb6#
- 2.Be4#
- 1...bxa5
- 2.Qxe5#
- 1...Sg4
- 2.Sxb6#
- 2.Se7#
- 2.Bf7#
- 1...Sf5
- 2.Sxb6#
- 2.Bf7#
- 2.Qxe5#
- 1...Sf7
- 2.Sxb6#
- 2.Se7#
- 2.Bxf7#
- 1...Sg8
- 2.Sxb6#
- 2.Bf7#
- 2.Qxe5#
- 1...e4
- 2.Sxb6#
- 2.Se7#
- 2.Qe5#
- 1...b5
- 2.Qxe5#
- 1...c3!
- threat
- 1.Se8?
- threat
- 2.Sf6#
- 2.Qxe5#
- 1...Qxg6
- 2.Qxe5#
- 1...Qxg7
- 2.Be4#
- 1...Sg4
- 2.Bf7#
- 1...Sf7
- 2.Sf6#
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 2.Qxe5#
- 1...e4
- 2.Sf6#
- 2.Qe5#
- 1...c3!
- threat
- 1.Sf5?
- Keys
- 1.Sb5!
- threat
- 2.Qxe5#
- 1...Qxg7
- 2.Be4#
- 1...Bd4
- 2.Sc3#
- 1...Bd6
- 2.Sc7#
- 1...c3
- 2.Qa2#
- 1...Sg4
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...e4
- 2.Qe5#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD::B(E)
- Q(j);N_GUARD,XP(F)::B(E)
- S(i);N_GUARD::B(E)
- S(i);N_GUARD::B(E),XS(i)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(h);N_SPINB(e),XR(C)::QAR1(A),XP(g)
- P(c);OGATEB::QAB(A)
- P(h);N_SPINB(e)::QAR1(A),XP(g)
- Refutation
- Q(j);XP(F)
- Try
- S(D);
- Threat
- QAR1(A),XP(g)
- Vars
- Q(j);N_GUARD,XP(F)::B(E)
- S(i);N_GUARD::B(E)
- S(i);N_GUARD::B(E),XS(i)
- P(g);::QAR1(A)
- Refutation
- P(c);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- P(h);N_SPINB(e),XR(C)::QAR1(A),XP(g)
- P(h);N_SPINB(e)::QAR1(A),XP(g)
- Refutation
- P(c);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(j);XB(E)::QAR1(A),XP(g)
- Q(j);N_GUARD,XP(F)::B(E)
- S(i);N_GUARD::B(E)
- Refutation
- P(c);
- Try
- Actual
- S(D);N_PINB(e)
- Threat
- QAR1(A),XP(g)
- Vars
- Q(j);N_GUARD,XP(F)::B(E)
- B(e);SBLOCK::R(C)+S(D),DCHECK
- P(c);OGATEB::QAB(A)
- S(i);N_GUARD::B(E)
- S(i);N_GUARD::B(E),XS(i)
- P(g);::QAR1(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).