MESON Chess Problem Database
Problem Display
PID: 20979 (2R5/3p1K1p/1BPk2p1/3p2R1/8/2n2N2/2PQn3/8 w - - 0 1)
Weenink, Henri Gerard Maria
Algemeen Handelsblad, 1915
#2
8 + 7
| 16055 | HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qf4#
- 2.Qh2#
- 1...Sg1
- 2.Qf4#
- 2.Qh2#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 2.Qh2#
- 1...Sf4
- 2.Qxf4#
- 1...Sb1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sd1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sa2
- 2.Rxd5#
- 2.Qxd5#
- 1...Sa4
- 2.Rxd5#
- 2.Qxd5#
- 1...Se4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sb5
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...d4
- 2.Bc5#
- 1...dxc6
- 2.Rd8#
- 1...h5
- 2.Rxg6#
- 1...h6
- 2.Rxg6#
- 1...Sc1
- Tries
- 1.Se5?
- threat
- 2.Sc4#
- 1...dxc6
- 2.Rxc6#
- 2.Rd8#
- 1...Sd4!
- threat
- 1.Ba7?
- 1...h5
- 2.Rxg6#
- 1...Sc1
- 2.Qf4#
- 2.Qh2#
- 1...Sg1
- 2.Qf4#
- 2.Qh2#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 2.Qh2#
- 1...Sf4
- 2.Qxf4#
- 1...Sb1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sd1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sa2
- 2.Rxd5#
- 2.Qxd5#
- 1...Sa4
- 2.Rxd5#
- 2.Qxd5#
- 1...Se4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sb5
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...d4
- 2.Bc5#
- 2.Bb8#
- 1...h6
- 2.Rxg6#
- 1...dxc6!
- 1...h5
- 1.Rh5?
- 1...gxh5
- 2.Qh6#
- 1...dxc6
- 2.Rd8#
- 1...Sc1
- 2.Qf4#
- 2.Qh2#
- 1...Sg1
- 2.Qf4#
- 2.Qh2#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 2.Qh2#
- 1...Sf4
- 2.Qxf4#
- 1...Sb1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sd1
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...Sa2
- 2.Rxd5#
- 2.Qxd5#
- 1...Sa4
- 2.Rxd5#
- 2.Qxd5#
- 1...Se4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sb5
- 2.Rxd5#
- 2.Qb4#
- 2.Qxd5#
- 1...d4
- 2.Bc5#
- 1...g5
- 2.Rh6#
- 1...h6!
- 1...gxh5
- 1.Qxc3?
- threat
- 2.Bc5#
- 2.Bc7#
- 2.Qb4#
- 2.Qe5#
- 2.Qf6#
- 2.Qa3#
- 2.Qc5#
- 1...dxc6
- 2.Rd8#
- 2.Qxc6#
- 1...Sd4
- 2.Bc5#
- 2.Bc7#
- 2.Qb4#
- 2.Qa3#
- 2.Qc5#
- 1...Sf4
- 2.Bc5#
- 2.Bc7#
- 2.Qb4#
- 2.Qe5#
- 2.Qa3#
- 2.Qc5#
- 1...d4
- 2.Bc5#
- 2.Bc7#
- 2.Qb4#
- 2.Qa3#
- 2.Qc5#
- 1...Sxc3!
- threat
- 1.Qe3?
- threat
- 2.Bc5#
- 2.Qc5#
- 2.Qe5#
- 2.Qe7#
- 1...dxc6
- 2.Rd8#
- 2.Qe6#
- 2.Qe7#
- 1...Sd4
- 2.Qf4#
- 2.Qe5#
- 2.Qe7#
- 1...Sa4
- 2.Qe5#
- 2.Qe7#
- 1...d4
- 2.Bc5#
- 2.Qe5#
- 2.Qe7#
- 1...Se4!
- threat
- 1.Qd4?
- threat
- 2.Bc5#
- 2.Qc5#
- 2.Qe5#
- 2.Qf6#
- 2.Qb4#
- 1...dxc6
- 2.Rd8#
- 1...Sf4
- 2.Bc5#
- 2.Qc5#
- 2.Qe5#
- 2.Qb4#
- 2.Qxf4#
- 1...Sa2
- 2.Bc5#
- 2.Rxd5#
- 2.Qc5#
- 2.Qe5#
- 2.Qf6#
- 2.Qxd5#
- 1...Sa4
- 2.Rxd5#
- 2.Qe5#
- 2.Qf6#
- 2.Qxd5#
- 1...Se4
- 2.Rxd5#
- 2.Qe5#
- 2.Qxd5#
- 1...Sxd4!
- threat
- 1.cxd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sc1
- 2.d8Q#
- 2.d8R#
- 1...Sg1
- 2.d8Q#
- 2.d8R#
- 1...Sg3
- 2.d8Q#
- 2.d8R#
- 1...Sd4
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.d8Q#
- 2.d8R#
- 1...Sb1
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...Sa2
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...Se4
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...Sb5
- 2.Rxd5#
- 2.Qxd5#
- 2.d8Q#
- 2.d8R#
- 1...d4
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.d8Q#
- 2.d8R#
- 1...h6
- 2.d8Q#
- 2.d8R#
- 1...Kxd7!
- threat
- 1.Se5?
- Keys
- 1.Rf5!
- threat
- 2.Rf6#
- 1...gxf5
- 2.Qh6#
- 1...dxc6
- 2.Rd8#
- 1...Sd4
- 2.Qf4#
- 2.Qh2#
- 1...Sf4
- 2.Qxf4#
- 1...Se4
- 2.Rxd5#
- 2.Qxd5#
- 1...d4
- 2.Bc5#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(c);::B(E)
- P(f);OGATEB,SBLOCK,XP(F)::R(H)
- P(g);N_GUARD::R(D),XP(e)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Refutation
- S(a);N_SPINP(c)
- Try
- B(E);
- Vars
- P(g);N_GUARD::R(D),XP(e)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- Refutation
- P(f);XP(F)
- Try
- R(D);
- Vars
- P(e);OGATEB,XR(D)::QAR(B)
- P(f);OGATEB,SBLOCK,XP(F)::R(H)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(c);::B(E)
- P(e);OGATEB::R(D)
- Refutation
- P(g);
- Try
- Q(B);N_PINP(c),XS(b)
- Threat
- DUALS(7)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);N_PINP(c)
- Threat
- DUALS(4)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- DUALS(5)
- Vars
- P(f);OGATEB,SBLOCK,XP(F)::R(H)
- Refutation
- S(a);N_SPINP(c),XQ(B)
- Try
- P(F);XP(f)
- Threat
- P=Q
- Vars
- S(a);::P=Q
- S(a);N_SPINP(c)::P=Q
- P(c);::P=Q
- P(g);::P=Q
- Refutation
- K(d);P-FLIGHT,XP(F)
- Try
- Actual
- R(D);
- Threat
- R(D)
- Vars
- P(e);OGATEB,XR(D)::QAR(B)
- P(f);OGATEB,SBLOCK,XP(F)::R(H)
- S(a);N_GUARD::QAB(B),XS(a)
- P(c);::B(E)
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).