MESON Chess Problem Database
Problem Display
PID: 89906 (3n4/3K2p1/2N4n/p2kP2N/5R2/b1pP1PPQ/r1p2B1p/3B3q w - - 0 1)
Lincoln, Robert A
Die Schwalbe, 1995
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...c1R
- 2.Bb3#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Qxf3
- Tries
- 1.Se7+?
- 1...Kxe5
- 2.Bd4#
- 2.Re4#
- 2.d4#
- 1...Bxe7!
- 1...Kxe5
- 1.Ra4?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- 1...Bc1!
- threat
- 1.Re4?
- threat
- 2.Sf4#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Bc1
- 2.Se7#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- 1...Qxf3!
- threat
- 1.Rh4?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- 1...Bc1!
- threat
- 1.Rf5?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Bc1
- 2.Se7#
- 1...g5
- 2.Sf6#
- 1...Se6!
- threat
- 1.Rf6?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Bc1
- 2.Rd6#
- 1...Se6
- 2.Qxe6#
- 1...g5!
- threat
- 1.Rf7?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- 1...Bc1!
- threat
- 1.Rf8?
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- 1...Bc1!
- threat
- 1.Se7+?
- Keys
- 1.Rb4!
- threat
- 2.Sf4#
- 1...Qxf3
- 2.Bxf3#
- 1...Sxc6
- 2.Qe6#
- 1...c1Q
- 2.Bb3#
- 1...c1B
- 2.Bb3#
- 1...Bc1
- 2.Rb5#
- 1...Se6
- 2.Qxe6#
- 1...g5
- 2.Sf6#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- S(k);N_GUARD::QAB1(F),XS(k)
- S(k);N_GUARD::QAB1(F)
- P(c);OGATE::B(A)
- P(j);N_GUARD::S(I)
- Tries
- Try
- S(J);CHECK
- Refutation
- B(e);XS(J)
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
- Refutation
- B(e);
- Try
- R(G);
- Threat
- S(I)
- Vars
- P(c);OGATE::B(A)
- B(e);N_GUARD::S(J)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
- Refutation
- Q(a);XP(D)
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
- Refutation
- B(e);
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- P(c);OGATE::B(A)
- B(e);N_GUARD::S(J)
- P(j);N_GUARD::S(I)
- Refutation
- S(k);
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- B(e);N_GUARD::R1(G)
- S(k);N_GUARD::QAB1(F),XS(k)
- Refutation
- P(j);
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
- Refutation
- B(e);
- Try
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
- Refutation
- B(e);
- Try
- Actual
- R(G);
- Threat
- S(I)
- Vars
- Q(a);OGATE,XP(D)::B(A),XQ(a)
- S(k);N_GUARD,XS(J)::QAB1(F)
- P(c);OGATE::B(A)
- B(e);N_GUARD::R(G)
- S(k);N_GUARD::QAB1(F),XS(k)
- P(j);N_GUARD::S(I)
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).