MESON Chess Problem Database
Problem Display
PID: 48583 (8/4PqP1/5p2/1R3B1R/3N1k1N/1bn1p2K/1Q1b4/4n3 w - - 0 1)
Pradignat, Emile Leonard
Sp. Prize, Detroit Free Press, 1880
#2
9 + 8
| 15 | British Chess Magazine | 1881 |
| 5689 | The Chess Monthly (Hoffer) | 1881 |
| 15 | British Chess Magazine | 1884 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Sg6#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sg6#
- 1...Qg6
- 2.Sxg6#
- 1...Qg8
- 2.Sg6#
- 1...Qxe7
- 2.Sg6#
- 1...Qf8
- 2.Sg6#
- 1...Bc1
- 2.Qh2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sd3
- 2.Sg2#
- 1...Sf3
- 2.Sg2#
- 1...Sb1
- 2.Se2#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sxb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...e2
- 2.Qxd2#
- 1...Qc4
- Tries
- 1.g8Q?
- threat
- 2.Qg3#
- 2.Qg4#
- 2.Qb8#
- 1...Qxh5
- 2.Qg3#
- 1...Qxe7
- 2.Sg6#
- 2.Qg3#
- 2.Qg4#
- 1...Sxb5
- 2.Se2#
- 2.Qg3#
- 1...Qd5
- 2.Sg6#
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 2.Qb8#
- 1...Sd5
- 2.Se2#
- 2.Qg3#
- 1...e2
- 2.Qxd2#
- 2.Qg3#
- 1...Qc4
- 2.Sg6#
- 2.Qg3#
- 2.Qg4#
- 1...Qe6
- 2.Sg6#
- 2.Qg3#
- 2.Qg4#
- 1...Qg6
- 2.Sxg6#
- 2.Qb8#
- 1...Qe8
- 2.Qg3#
- 2.Qg4#
- 1...Qg7
- 2.Qb8#
- 1...Qf8
- 2.Sg6#
- 2.Qg3#
- 2.Qg4#
- 1...Bd1
- 2.Qg3#
- 2.Qb8#
- 1...Sd3
- 2.Sg2#
- 2.Qg3#
- 2.Qg4#
- 1...Sf3
- 2.Sg2#
- 2.Qg3#
- 2.Qg4#
- 1...Se2
- 2.Sxe2#
- 2.Qg4#
- 2.Qb8#
- 1...Se4
- 2.Se2#
- 2.Qg4#
- 1...Qxg8!
- threat
- 1.g8Q?
- Keys
- 1.Rd5!
- 1...Qxd5
- 2.Sg6#
- 1...Qxh5
- 2.Se6#
- 1...Qxe7
- 2.Sg6#
- 1...Qxg7
- 2.Se6#
- 1...Bxd5
- 2.Qb8#
- 1...Sxd5
- 2.Se2#
- 1...e2
- 2.Qxd2#
- 1...Qe6
- 2.Sxe6#
- 2.Sg6#
- 1...Qg6
- 2.Se6#
- 2.Sxg6#
- 1...Qe8
- 2.Se6#
- 1...Qg8
- 2.Sg6#
- 1...Qf8
- 2.Se6#
- 2.Sg6#
- 1...Bc1
- 2.Qh2#
- 1...Bd1
- 2.Qb8#
- 1...Ba2
- 2.Qb8#
- 1...Bc2
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sd3
- 2.Sg2#
- 1...Sf3
- 2.Sg2#
- 1...Sb1
- 2.Se2#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Qxd5
- 1.Rd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- Q(h);N_GUARD::S(D)
- Q(h);N_GUARD,P_PINB(F)::S(D)
- Q(h);N_GUARD::S(D),XQ(h)
- Q(h);N_GUARD,XP(H)::S(D)
- B(b);OGATE::QAB(A)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD,XR(E)::S(C)
- P(e);OGATEB::QAB(A),XB(b)
- Tries
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- Q(h);P_PINS(D),XR(G)::QAB1(I)
- Q(h);::QAB(I)
- Refutation
- Q(h);XQ(I)
- Try
- Actual
- R(E);
- Vars
- Q(h);N_GUARD,XR(E)::S(D)
- Q(h);N_GUARD,P_PINS(D),XR(G)::S(C)
- Q(h);N_GUARD,XP(H)::S(D)
- Q(h);N_GUARD,XP(I)::S(C)
- B(c);OGATE,XR(E)::QAB(A)
- S(d);N_GUARD,XR(E)::S(C)
- P(e);OGATEB::QAB(A),XB(b)
- Q(h);N_GUARD::S(C)
- Q(h);N_GUARD::S(D)
- B(b);OGATE::QAB(A)
- B(c);OGATE::QAB(A)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(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).