MESON Chess Problem Database
Problem Display
PID: 49731 (4QNNn/1pp2qp1/7p/RB5k/K1p2P1p/4B2P/8/8 w - - 0 1)
Witt, Andreas
Landeszeitung fur die Luneburger Heide, 2002
#2
9 + 9
| 6112 | Problemschach-Jahrbuch (2002) | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qxe8
- 2.Bxe8#
- 1...c3
- 2.Be2#
- 1...g5
- 2.Sf6#
- 1...Qxe8
- Tries
- 1.Bc1?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Bg1?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Bd2?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Bf2?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Bd4?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Ba7?
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...g5
- 2.Sf6#
- 1...Qg6!
- threat
- 1.Bxc4+?
- 1...c5
- 2.Be2#
- 1...g5
- 2.Sf6#
- 2.Be2#
- 1...b5+!
- 1...c5
- 1.Bc6+?
- 1...g5
- 2.Sf6#
- 2.Bf3#
- 1...b5+!
- 1...g5
- 1.Bd7+?
- 1...c5
- 2.Bg4#
- 1...g5
- 2.Sf6#
- 2.Bg4#
- 1...b5+!
- 1...c5
- 1.Qxf7+?
- 1...Sg6
- 2.Qxg6#
- 2.Qf5#
- 1...g6
- 2.Sf6#
- 1...Sxf7!
- 1...Sg6
- 1.Bc1?
- Keys
- 1.Bb6!
- threat
- 2.Qe2#
- 1...Qxe8
- 2.Bxe8#
- 1...Qg6
- 2.Bc6#
- 1...g5
- 2.Sf6#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(a);OGATE::R(E)+B(F),DCHECK
- P(h);N_GUARD::S(I)
- Tries
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- P(h);N_GUARD::S(I)
- Refutation
- Q(g);
- Try
- B(F);CHECK,XP(a)
- Vars
- P(f);P_SPINP(f)::B(F)
- Refutation
- P(e);CHECK,P_SPINP(e)
- Try
- B(F);CHECK
- Refutation
- P(e);CHECK,P_SPINP(e)
- Try
- B(F);CHECK
- Vars
- P(f);P_SPINP(f)::B(F)
- Refutation
- P(e);CHECK,P_SPINP(e)
- Try
- Q(G);CHECK,XQ(g)
- Vars
- P(h);P_SPINP(h)::S(I)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- B(A);
- Threat
- QAB(G)
- Vars
- Q(g);N_SPINQ(g),OGATE,P_PINB(F),XQ(G)::R(E)+B(F),DCHECK,XQ(g)
- Q(g);S_CUTP(h)::R(E)+B(F)
- P(h);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).