MESON Chess Problem Database
Problem Display
PID: 7264 (4K3/8/4k3/4n3/6P1/8/6Q1/B2R4 w - - 0 1)
von Alvensleben, Wichard Udo Reinhard
Landeszeitung fur die Luneburger Heide, 1999
#2
5 + 2
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qc6#
- 1...Sf3
- 2.Qa2#
- 1...Sc4
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 2.Qxg4#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qa2#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 1...Sd3
- Tries
- 1.Bc3?
- 1...Sxg4
- 2.Qd5#
- 2.Qxg4#
- 1...Sd3
- 2.Qc6#
- 1...Sf3
- 2.Qa2#
- 1...Sc4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qa2#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 1...Kf6!
- 1...Sxg4
- 1.Rd3?
- 1...Sxd3
- 2.Qc6#
- 1...Sxg4
- 2.Qd5#
- 2.Qxg4#
- 1...Sf3
- 2.Qa2#
- 1...Sc4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qa2#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 1...Kf6!
- 1...Sxd3
- 1.Rd7?
- 1...Sxg4
- 2.Qd5#
- 2.Qxg4#
- 1...Sxd7
- 2.Qc6#
- 1...Sf3
- 2.Qa2#
- 1...Sd3
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sc4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qa2#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 1...Kf6!
- 1...Sxg4
- 1.Rd8?
- 1...Sxg4
- 2.Qd5#
- 2.Qxg4#
- 1...Sf3
- 2.Qa2#
- 1...Sd3
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sc4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qa2#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 1...Kf6!
- 1...Sxg4
- 1.Qf1?
- threat
- 2.Qf5#
- 1...Sxg4
- 2.Qf7#
- 1...Sf3
- 2.Qc4#
- 2.Qa6#
- 1...Sd3!
- threat
- 1.Qf3?
- threat
- 2.Qf5#
- 1...Sxg4
- 2.Qxg4#
- 2.Qd5#
- 2.Qf7#
- 1...Sd3
- 2.Qc6#
- 1...Sxf3!
- threat
- 1.Qh3?
- 1...Kf6
- 2.Qh6#
- 1...Sxg4
- 2.Qxg4#
- 1...Sf3
- 2.Qh6#
- 2.g5#
- 1...Sc4
- 2.Qh6#
- 2.g5#
- 1...Sc6
- 2.Qb3#
- 2.Qh6#
- 2.g5#
- 1...Sg6
- 2.Qb3#
- 2.g5#
- 1...Sd7
- 2.Qb3#
- 2.g5#
- 1...Sf7
- 2.Qb3#
- 2.g5#
- 1...Sd3!
- 1...Kf6
- 1.Qb7?
- threat
- 2.Qe7#
- 1...Sxg4
- 2.Qd5#
- 2.Qc8#
- 2.Qd7#
- 2.Qf7#
- 1...Sd3
- 2.Qc6#
- 2.Qd7#
- 1...Sc6
- 2.Qxc6#
- 2.Qc8#
- 2.Qb3#
- 2.Qd7#
- 2.Qf7#
- 1...Sg6
- 2.Qd5#
- 2.Qa6#
- 2.Qc6#
- 2.Qc8#
- 2.Qb3#
- 2.Qb6#
- 2.Qd7#
- 2.Qf7#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 2.Qb3#
- 2.Qxd7#
- 1...Kf6!
- threat
- 1.Qa8?
- 1...Sxg4
- 2.Qd5#
- 2.Qc8#
- 1...Sf3
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 2.Qa6#
- 2.Qc8#
- 1...Sd3
- 2.Qc6#
- 1...Sc4
- 2.Qd5#
- 2.Qc8#
- 1...Sc6
- 2.Qxc6#
- 2.Qa2#
- 2.Qc8#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 2.Qa6#
- 2.Qc8#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 2.Qa2#
- 1...Sf7
- 2.Qd5#
- 2.Qa2#
- 2.Qc8#
- 1...Kf6!
- 1...Sxg4
- 1.Qa2+?
- 1...Sc4
- 2.Qxc4#
- 1...Kf6!
- 1...Sc4
- 1.Qc2?
- threat
- 2.Qf5#
- 1...Sxg4
- 2.Qc8#
- 1...Sd3
- 2.Qc6#
- 1...Kf6!
- threat
- 1.Qd2?
- threat
- 2.Qd6#
- 1...Kf6
- 2.Qh6#
- 1...Sxg4
- 2.Qd5#
- 2.Qd7#
- 1...Sc4
- 2.Qh6#
- 2.Qd5#
- 2.Qd7#
- 1...Sf7
- 2.Qa2#
- 2.Qd5#
- 2.Qd7#
- 1...Sd3!
- threat
- 1.Qf2?
- threat
- 2.Qf5#
- 1...Sxg4
- 2.Qf7#
- 1...Sf3
- 2.Qb6#
- 2.Qa2#
- 1...Sd3!
- threat
- 1.Bc3?
- Keys
- 1.Qh1!
- 1...Kf6
- 2.Qh6#
- 1...Sxg4
- 2.Qd5#
- 1...Sf3
- 2.Qh6#
- 1...Sd3
- 2.Qc6#
- 1...Sc4
- 2.Qd5#
- 2.Qh6#
- 1...Sc6
- 2.Qd5#
- 2.Qxc6#
- 2.Qh6#
- 1...Sg6
- 2.Qd5#
- 2.Qc6#
- 1...Sd7
- 2.Qd5#
- 2.Qc6#
- 1...Sf7
- 2.Qd5#
- 1...Kf6
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAB(C)
- S(a);::QAB1(C)
- Tries
- Try
- B(A);
- Vars
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAB(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(B);
- Vars
- S(a);N_GUARD,XR(B)::QAR2(C)
- S(a);N_GUARD::QAB(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(B);
- Vars
- S(a);N_GUARD,XR(B)::QAR2(C)
- S(a);N_GUARD::QAB(C)
- S(a);::QAB1(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(B);
- Vars
- S(a);N_GUARD::QAB(C)
- S(a);::QAB1(C)
- S(a);N_GUARD::QAR2(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(D)::QAB1(C)
- Refutation
- S(a);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD::QAR2(C)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::QAR2(C)
- S(a);OGATE,P_SPINS(a),XP(D)::QAB(C),XS(a)
- Refutation
- S(a);
- Try
- Q(C);
- Threat
- QAR1(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(C);
- Vars
- S(a);N_GUARD::QAR2(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(C);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(C),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(D)::QAB(C)
- S(a);N_GUARD::QAR2(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::QAR2(C)
- Refutation
- S(a);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(D)::QAB1(C)
- Refutation
- S(a);
- Try
- Actual
- Q(C);
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::QAR2(C)
- S(a);XP(D)::QAB1(C)
- S(a);N_GUARD::QAR(C)
- S(a);N_GUARD::QAR2(C)
- S(a);::QAB1(C)
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).