MESON Chess Problem Database
Problem Display
PID: 80658 (B7/1r1p3K/b1k4p/BpP2p2/1p5Q/1N1Rp3/N2q3b/8 w - - 0 1)
Cuppini, Alessandro
Freie Presse, 1994
#2
8 + 11
| 6114 | Problemschach-Jahrbuch (1994) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sxb4#
- 1...Qd1
- 2.Sxb4#
- 1...Qb2
- 2.Sxb4#
- 1...Qc2
- 2.Sxb4#
- 1...Qe2
- 2.Sxb4#
- 1...Qf2
- 2.Sxb4#
- 1...Qg2
- 2.Sxb4#
- 1...Qxd3
- 2.Sxb4#
- 1...Qc1
- Tries
- 1.Rd6+?
- 1...Qxd6
- 2.Sxb4#
- 1...Bxd6!
- 1...Qxd6
- 1.Qf6+?
- 1...Bd6
- 2.Qxd6#
- 1...d6+!
- 1...Bd6
- 1.Qd8?
- threat
- 2.Qb6#
- 2.Qxd7#
- 1...d6+
- 2.Qc7#
- 1...Qxd3
- 2.Sxb4#
- 1...Bd6
- 2.Qb6#
- 1...Bc7
- 2.Qxc7#
- 2.Qxd7#
- 1...d5+!
- threat
- 1.Qxh6+?
- 1...Bd6
- 2.Qxd6#
- 1...d6+!
- 1...Bd6
- 1.Rd6+?
- Keys
- 1.Qe7!
- threat
- 2.Qxd7#
- 1...Qxd3
- 2.Sxb4#
- 1...Bd6
- 2.Qxd6#
- 1...d5
- 2.Sd4#
- 1...d6
- 2.Qc7#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::S(A),XP(d)
- Q(a);N_GUARD,XR(C)::S(A),XP(d)
- Tries
- Try
- R(C);CHECK
- Vars
- Q(a);XR(C)::S(A),XP(d)
- Refutation
- B(b);XR(C)
- Try
- Q(D);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(D),XB(b)
- Refutation
- P(k);CHECK,P_SPINP(k)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(k);CHECK,S_CUTB(b)::QAR1(D)
- Q(a);N_GUARD,XR(C)::S(A),XP(d)
- B(b);::QAR1(D)
- Refutation
- P(k);CHECK
- Try
- Q(D);CHECK,XP(i)
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(D),XB(b)
- Refutation
- P(k);CHECK,P_SPINP(k)
- Try
- Actual
- Q(D);
- Threat
- QAB1(D),XP(k)
- Vars
- Q(a);N_GUARD,XR(C)::S(A),XP(d)
- B(b);N_GUARD::QAR1(D),XB(b)
- P(k);P_PINQ(D),SBLOCK::S(B)
- P(k);OGATE,P_PINQ(D)::QAR1(D)
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).