MESON Chess Problem Database
Problem Display
PID: 137078 (5q2/1PB5/Q4p2/2k3r1/5Nr1/1pP2bN1/4PK2/2R5 w - - 0 1)
Groeneveld, Cornelis
Schach in Schleswig-Holstein, 1999
#2
9 + 7
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Bxd6#
- 1...Qh6
- 2.Bd6#
- 1...Qg7
- 2.Bd6#
- 1...Qf7
- 2.Bd6#
- 1...Qa8
- 2.Bd6#
- 1...Qc8
- 2.Bd6#
- 1...Qe8
- 2.Bd6#
- 1...Qg8
- 2.Bd6#
- 1...Qh8
- 2.Bd6#
- 1...Rd5
- 2.Se6#
- 1...Bxe2
- 2.Se4#
- 1...Be4
- 2.Sxe4#
- 1...Bd5
- 2.Sd3#
- 1...Qd6
- Tries
- 1.Ra1?
- threat
- 2.Ra5#
- 1...Bxe2
- 2.Se4#
- 1...Qe8
- 2.Bd6#
- 1...Bc6!
- threat
- 1.e4?
- threat
- 2.Sd3#
- 2.Se6#
- 1...Bxe4
- 2.Sxe4#
- 1...Qd6
- 2.Bxd6#
- 1...Qe7
- 2.Sd3#
- 1...Qf7
- 2.Sd3#
- 2.Bd6#
- 1...Qc8
- 2.Sd3#
- 2.Bd6#
- 1...Qd8
- 2.Se6#
- 1...Qe8
- 2.Sd3#
- 2.Bd6#
- 1...Qg8
- 2.Sd3#
- 2.Bd6#
- 1...Rd5
- 2.Se6#
- 1...Re5
- 2.Sd3#
- 1...Be2
- 2.Se6#
- 1...Rxf4!
- threat
- 1.b8Q?
- threat
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 2.Qxf8#
- 1...Rxf4
- 2.Qab5#
- 2.Qbb5#
- 1...Bxe2
- 2.Se4#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb6#
- 2.Qxf8#
- 1...Qd6
- 2.Bxd6#
- 2.Qab5#
- 2.Qb4#
- 2.Qbb5#
- 1...Qh6
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qe7
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qg7
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qf7
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qc8
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qd8
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qe8
- 2.Bd6#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb6#
- 1...Qg8
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Qh8
- 2.Bd6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Rd5
- 2.Se6#
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Re5
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Rg7
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Rg8
- 2.Qab5#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb5#
- 2.Qbb6#
- 1...Bc6
- 2.Bb6#
- 2.Qba7#
- 2.Qb4#
- 2.Qbb6#
- 2.Qxf8#
- 1...Bb7
- 2.Qba7#
- 2.Qxf8#
- 1...Qxb8!
- threat
- 1.Ra1?
- Keys
- 1.c4!
- threat
- 2.Qb6#
- 1...Kb4
- 2.Sd3#
- 1...Kd4
- 2.Se6#
- 1...Qd6
- 2.Qxd6#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD::B(I),XQ(g)
- Q(g);N_GUARD::B(I)
- R(e);SBLOCK::S(F)
- B(b);N_GUARD,XP(B)::S(E)
- B(b);N_GUARD::S(E),XB(b)
- B(b);SBLOCK::S(F)
- Tries
- Try
- R(A);
- Threat
- R(A)
- Vars
- B(b);N_GUARD,XP(B)::S(E)
- Q(g);N_GUARD::B(I)
- Refutation
- B(b);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(b);XP(B)::S(E),XB(b)
- Q(g);N_GUARD::B(I),XQ(g)
- Q(g);::S(F)
- R(e);::S(F)
- B(b);::S(F)
- Refutation
- R(c);XS(F)
- Try
- P(H);
- Threat
- DUALS(6)
- Refutation
- Q(g);XQ(H)
- Try
- Actual
- P(D);
- Threat
- QAB1(G)
- Vars
- K(d);S_FLIGHT::S(F)
- Q(g);N_GUARD::QAB1(G),XQ(g)
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).