MESON Chess Problem Database
Problem Display
PID: 143647 (7r/p2Q2p1/3N4/8/2RNR2p/3k4/3P4/r1n1n2K w - - 0 1)
von Holzhausen, Walther Freiherr
Deutsches Wochenschach, 1924
#2
7 + 8
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Tries
- 1.Sb3?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Rc3#
- 2.Re3#
- 1...Ra5
- 2.Sb5#
- 2.Rc3#
- 2.Re3#
- 1...Ra6
- 2.Rc3#
- 2.Re3#
- 1...Rh5
- 2.Sf5#
- 2.Rc3#
- 2.Re3#
- 1...Rh6
- 2.Rc3#
- 2.Re3#
- 1...Rc8
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sxc8#
- 2.Se8#
- 2.Re3#
- 1...Rd8
- 2.Rc3#
- 2.Re3#
- 1...Re8
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 2.Rc3#
- 1...Sa2
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Re3#
- 1...Se2
- 2.Re3#
- 1...Sc2
- 2.Rc3#
- 1...Sg2
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Rc3#
- 1...Sf3
- 2.Rc3#
- 2.Re3#
- 1...Sxb3!
- threat
- 1.Sf3?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Rc3#
- 2.Re3#
- 1...Ra3
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Re3#
- 1...Ra5
- 2.Sb5#
- 2.Rc3#
- 2.Re3#
- 1...Ra6
- 2.Rc3#
- 2.Re3#
- 1...Rh5
- 2.Sf5#
- 2.Rc3#
- 2.Re3#
- 1...Rh6
- 2.Rc3#
- 2.Re3#
- 1...Rc8
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sxc8#
- 2.Se8#
- 2.Re3#
- 1...Rd8
- 2.Rc3#
- 2.Re3#
- 1...Re8
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 2.Rc3#
- 1...Sa2
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Re3#
- 1...Se2
- 2.Re3#
- 1...Sb3
- 2.Rc3#
- 2.Re3#
- 1...Sc2
- 2.Rc3#
- 1...Sg2
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Rc3#
- 1...Sxf3!
- threat
- 1.Sb7?
- threat
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Kxd2
- 2.Sb3#
- 2.Sf3#
- 1...Kxc4
- 2.Qb5#
- 1...Kxe4
- 2.Qf5#
- 1...Ra6
- 2.Sc6#
- 1...Ra5
- 2.Sb5#
- 1...Rh5
- 2.Sf5#
- 1...Rh6
- 2.Se6#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Sxb3#
- 1...Sc2
- 2.Sxc2#
- 1...Sf3
- 2.Sxf3#
- 1...Rd8!
- threat
- 1.Sf7?
- threat
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Kxd2
- 2.Sb3#
- 2.Sf3#
- 1...Kxc4
- 2.Qb5#
- 1...Kxe4
- 2.Qf5#
- 1...Ra6
- 2.Sc6#
- 1...Ra5
- 2.Sb5#
- 1...Rh5
- 2.Sf5#
- 1...Rh6
- 2.Se6#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Sxb3#
- 1...Sc2
- 2.Sxc2#
- 1...Sf3
- 2.Sxf3#
- 1...Rd8!
- threat
- 1.Sc8?
- threat
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Kxd2
- 2.Sb3#
- 2.Sf3#
- 1...Kxc4
- 2.Qb5#
- 1...Kxe4
- 2.Qf5#
- 1...Ra5
- 2.Sb5#
- 1...Ra6
- 2.Sc6#
- 1...Rh5
- 2.Sf5#
- 1...Rh6
- 2.Se6#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Sxb3#
- 1...Sc2
- 2.Sxc2#
- 1...Sf3
- 2.Sxf3#
- 1...Rd8!
- threat
- 1.Sb3?
- Keys
- 1.Se8!
- threat
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Kxd2
- 2.Sb3#
- 2.Sf3#
- 1...Kxc4
- 2.Qb5#
- 1...Kxe4
- 2.Qf5#
- 1...Ra5
- 2.Sb5#
- 1...Ra6
- 2.Sc6#
- 1...Rh5
- 2.Sf5#
- 1...Rh6
- 2.Se6#
- 1...Se2
- 2.Sxe2#
- 1...Sb3
- 2.Sxb3#
- 1...Sc2
- 2.Sxc2#
- 1...Sf3
- 2.Sxf3#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);
- Threat
- DUALS(8)
- Vars
- S(b);::R1(E)
- S(c);::R1(C)
- Refutation
- S(b);XS(D)
- Try
- S(D);
- Threat
- DUALS(8)
- Vars
- S(b);::R1(E)
- S(c);::R1(C)
- Refutation
- S(c);XS(D)
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(G)
- R(a);::QAR(G)+S(D)
- R(h);::QAR(G)+S(D)
- S(b);::QAR(G)+S(D),XS(b)
- S(c);::QAR(G)+S(D),XS(c)
- Refutation
- R(h);
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(G)
- R(a);::QAR(G)+S(D)
- R(h);::QAR(G)+S(D)
- S(b);::QAR(G)+S(D),XS(b)
- S(c);::QAR(G)+S(D),XS(c)
- Refutation
- R(h);
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(G)
- R(a);::QAR(G)+S(D)
- R(h);::QAR(G)+S(D)
- S(b);::QAR(G)+S(D),XS(b)
- S(c);::QAR(G)+S(D),XS(c)
- Refutation
- R(h);
- Try
- Actual
- S(F);
- Threat
- DUALS(8)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(G)
- R(a);::QAR(G)+S(D)
- R(h);::QAR(G)+S(D)
- S(b);::QAR(G)+S(D),XS(b)
- S(c);::QAR(G)+S(D),XS(c)
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).