MESON Chess Problem Database
Problem Display
PID: 182551 (B3Q3/1N4N1/6P1/2nk4/8/1P4p1/3p2p1/3K2B1 w - - 0 1)
Weenink, Henri Gerard Maria
Tidskrift for Schack, 1918
#2
8 + 5
| 16055 | HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Sxb3
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sa4
- 2.Qe6#
- 1...Se4
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sxb7
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sxb3
- Tries
- 1.Sa5+?
- 1...Sb7
- 2.Qe6#
- 1...Kd6!
- 1...Sb7
- 1.Sd8+?
- 1...Sb7
- 2.Qe6#
- 1...Kd6!
- 1...Sb7
- 1.Sf5?
- threat
- 2.Sxc5#
- 1...Sxb3
- 2.Sa5#
- 2.Sbd6#
- 1...Sxb7
- 2.Bxb7#
- 1...Sd7
- 2.Sa5#
- 2.Sc5#
- 2.Sbd6#
- 2.Sd8#
- 1...Sd3
- 2.Sa5#
- 2.Sc5#
- 2.Sbd6#
- 2.Sd8#
- 1...Sa4
- 2.Sa5#
- 2.Sc5#
- 2.Sbd6#
- 2.Sd8#
- 1...Se4
- 2.Sa5#
- 2.Sc5#
- 2.Sbd6#
- 2.Sd8#
- 1...Sa6
- 2.Sa5#
- 2.Sc5#
- 2.Sbd6#
- 2.Sd8#
- 1...Se6!
- threat
- 1.Qd7+?
- 1...Ke4
- 2.Qf5#
- 1...Ke5
- 2.Qf5#
- 2.Qd4#
- 1...Sxd7!
- 1...Ke4
- 1.Qf7+?
- 1...Ke4
- 2.Qf5#
- 1...Ke5
- 2.Qf5#
- 1...Se6
- 2.Qxe6#
- 1...Kc6!
- 1...Ke4
- 1.Qe7?
- threat
- 2.Sxc5#
- 1...Sxb3
- 2.Sa5#
- 2.Sd6#
- 2.Qe6#
- 1...Sxb7
- 2.Bxb7#
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sd3
- 2.Sa5#
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Qe6#
- 1...Sa4
- 2.Sa5#
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Qe6#
- 1...Se4
- 2.Sa5#
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Qe6#
- 1...Sa6
- 2.Sa5#
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Qe6#
- 1...Sd7
- 2.Sa5#
- 2.Sc5#
- 2.Sd6#
- 2.Sd8#
- 2.Qe6#
- 1...Kc6!
- threat
- 1.Qc8?
- 1...Ke4
- 2.Qf5#
- 1...Ke5
- 2.Qf5#
- 1...Sxb3
- 2.Qe6#
- 1...Sxb7
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sa4
- 2.Qe6#
- 1...Se4
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sd7!
- 1...Ke4
- 1.b4?
- 1...Sxb7
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sd7
- 2.Qe6#
- 1...Sb3
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Sa4
- 2.Qe6#
- 1...Se4
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Kc4!
- 1...Sxb7
- 1.Sa5+?
- Keys
- 1.Qb8!
- threat
- 2.Sxc5#
- 1...Ke4
- 2.Sxc5#
- 1...Kc6
- 2.Sxc5#
- 1...Sxb3
- 2.Sa5#
- 1...Sxb7
- 2.Bxb7#
- 1...Sd3
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Sa4
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Se4
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Sa6
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Se6
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- 1...Sd7
- 2.Sa5#
- 2.Sc5#
- 2.Sd8#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- S(d);N_GUARD,XP(C)::QAB1(H)
- S(d);N_GUARD::QAB1(H)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD,P_SPINS(d),XS(E)::QAB1(H)
- Tries
- Try
- S(E);CHECK
- Vars
- S(d);P_SPINS(d)::QAB1(H)
- Refutation
- K(e);P-FLIGHT
- Try
- S(E);CHECK
- Vars
- S(d);P_SPINS(d)::QAB1(H)
- Refutation
- K(e);P-FLIGHT
- Try
- S(F);
- Threat
- B(G)+S(E),XS(d)
- Vars
- S(d);OGATE,P_SPINS(d),XS(E)::B(G),XS(d)
- Refutation
- S(d);
- Try
- Q(H);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(H)
- Refutation
- S(d);XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(H)
- K(e);P-FLIGHT::QAR1(H)
- S(d);N_GUARD,P_SPINS(d)::QAB1(H),XS(d)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(H);
- Threat
- B(G)+S(E),XS(d)
- Vars
- S(d);N_GUARD::QAB1(H),XS(d)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(H);
- Vars
- K(e);S_FLIGHT::QAB1(H)
- K(e);P-FLIGHT::QAR1(H)
- S(d);N_GUARD,XP(C)::QAB1(H)
- S(d);N_GUARD,P_SPINS(d),XS(E)::QAB1(H)
- S(d);N_GUARD::QAB1(H)
- S(d);N_GUARD::QAB1(H),XS(d)
- Refutation
- S(d);
- Try
- P(C);
- Vars
- S(d);N_GUARD,P_SPINS(d),XS(E)::QAB1(H)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(H);
- Threat
- B(G)+S(E),XS(d)
- Vars
- K(e);S_FLIGHT::B(G)+S(E),DCHECK,XS(d)
- K(e);S_FLIGHT::B(G)+S(E),XS(d)
- S(d);N_GUARD,XP(C)::B(G)+S(E)
- S(d);OGATE,P_SPINS(d),XS(E)::B(G),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).