MESON Chess Problem Database
Problem Display
PID: 10207 (2K2B2/8/1kN1R3/8/Q7/2q5/8/8 w - - 0 1)
Tuxen, Harri Viggo
Tidskrift for Schack, 1962
#2
5 + 2
| 2012 | Miniature Chess Problems from Many Countries | 1981 |
| 3310 | 2345 Chess Problems | 1997 |
| 56 | The Problemist | 2009 |
| 56 | The Problemist | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 1...Qe1
- 2.Se5#
- 1...Qb2
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Qd2
- 2.Sd4#
- 1...Qb4
- 2.Sxb4#
- 1...Qd4
- 2.Sxd4#
- 2.Qa5#
- 1...Qa5
- 2.Qxa5#
- 1...Qe5
- 2.Sxe5#
- 1...Qf6
- 2.Qa5#
- 1...Qg7
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Qh8
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Qc1
- 2.Qa5#
- 1...Qc2
- 2.Qa5#
- 1...Qa3
- 2.Sb4#
- 1...Qb3
- 2.Qa5#
- 1...Qd3
- 2.Sd4#
- 2.Qa5#
- 1...Qe3
- 2.Se5#
- 2.Qa5#
- 1...Qf3
- 2.Qa5#
- 1...Qg3
- 2.Se5#
- 2.Qa5#
- 1...Qh3
- 2.Qa5#
- 1...Qc4
- 2.Qa5#
- 1...Qxc6+
- 2.Rxc6#
- 1...Qa1
- Tries
- 1.Kb8?
- 1...Qe5+
- 2.Sxe5#
- 1...Qg3+
- 2.Se5#
- 1...Qxc6
- 2.Rxc6#
- 1...Qa5
- 2.Sb4#
- 2.Sd4#
- 2.Sxa5#
- 2.Se5#
- 2.Sa7#
- 2.Sd8#
- 2.Qxa5#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Sd8#
- 1...Qe1
- 2.Se5#
- 1...Qb2
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Sd8#
- 2.Qa5#
- 1...Qd2
- 2.Sd4#
- 1...Qb4
- 2.Sxb4#
- 1...Qd4
- 2.Sxd4#
- 2.Qa5#
- 1...Qf6
- 2.Qa5#
- 1...Qg7
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Sd8#
- 2.Qa5#
- 1...Qh8
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Sd8#
- 2.Qa5#
- 1...Qc1
- 2.Qa5#
- 1...Qc2
- 2.Qa5#
- 1...Qa3
- 2.Sb4#
- 1...Qb3
- 2.Qa5#
- 1...Qd3
- 2.Sd4#
- 2.Qa5#
- 1...Qe3
- 2.Se5#
- 2.Qa5#
- 1...Qf3
- 2.Qa5#
- 1...Qh3
- 2.Qa5#
- 1...Qc4
- 2.Qa5#
- 1...Qc5!
- 1...Qe5+
- 1.Qb4+?
- 1...Ka6
- 2.Qb7#
- 1...Qxb4!
- 1...Ka6
- 1.Kb8?
- Keys
- 1.Be7!
- 1...Qh8+
- 2.Sd8#
- 1...Qxc6+
- 2.Rxc6#
- 1...Qa5
- 2.Qxa5#
- 1...Qc5
- 2.Bd8#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 1...Qe1
- 2.Se5#
- 1...Qb2
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Qd2
- 2.Sd4#
- 1...Qb4
- 2.Sxb4#
- 1...Qd4
- 2.Sxd4#
- 2.Qa5#
- 1...Qe5
- 2.Sxe5#
- 1...Qf6
- 2.Qa5#
- 1...Qg7
- 2.Sb4#
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Qa5#
- 1...Qc1
- 2.Qa5#
- 1...Qc2
- 2.Qa5#
- 1...Qa3
- 2.Sb4#
- 1...Qb3
- 2.Qa5#
- 1...Qd3
- 2.Sd4#
- 2.Qa5#
- 1...Qe3
- 2.Se5#
- 2.Qa5#
- 1...Qf3
- 2.Qa5#
- 1...Qg3
- 2.Se5#
- 2.Qa5#
- 1...Qh3
- 2.Qa5#
- 1...Qc4
- 2.Qa5#
- 1...Qh8+
- 1.Be7!
This is after 134250
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);N_PINS(B)::R(C)+S(B)
- Q(a);N_PINS(B)::R(C)+S(B),XQ(a)
- Q(a);N_GUARD,N_PINS(B)::QAB1(A),XQ(a)
- Q(a);N_GUARD,N_PINS(B)::QAB1(A)
- Q(a);N_GUARD::QAB1(A)
- Q(a);N_GUARD,N_PINS(B),P_PINR(C)::QAB1(A)
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(B)::R1(C),XQ(a)
- Tries
- Try
- K(D);N_SPINS(B),P-FLIGHT
- Vars
- Q(a);CHECK,N_GUARD::R(C)+S(B),XQ(a)
- Q(a);CHECK,N_GUARD::R(C)+S(B)
- Q(a);OGATE,P_SPINQ(a),XS(B)::R1(C),XQ(a)
- Q(a);N_GUARD::R(C)+S(B)
- Q(a);N_GUARD::R(C)+S(B),XQ(a)
- Q(a);N_GUARD::QAB1(A)
- Refutation
- Q(a);
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAB1(A)
- Refutation
- Q(a);N_PINS(B),XQ(A)
- Try
- Actual
- B(E);
- Vars
- Q(a);CHECK,N_PINS(B)::R(C)+S(B)
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(B)::R1(C),XQ(a)
- Q(a);N_GUARD,N_PINS(B)::QAB1(A),XQ(a)
- Q(a);SBLOCK::B(E)
- Q(a);N_PINS(B)::R(C)+S(B)
- Q(a);N_PINS(B)::R(C)+S(B),XQ(a)
- Q(a);N_GUARD,N_PINS(B)::QAB1(A)
- Q(a);N_GUARD::QAB1(A)
- Q(a);N_GUARD,N_PINS(B),P_PINR(C)::QAB1(A)
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).