MESON Chess Problem Database
Problem Display
PID: 198621 (8/p3R1p1/Pn1P1kP1/2P1p2K/2Rn2P1/2QNr1p1/3Np3/4B3 w - - 0 1)
den Hertog, Herman Johannes
Haagsche Courant, 1894
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Se4#
- 1...Rf3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Sc2
- 2.Rf4#
- 1...Sb3
- 2.Rf4#
- 1...Sf3
- 2.Rf4#
- 1...Sb5
- 2.Rf4#
- 1...Sf5
- 2.g5#
- 1...Sc6
- 2.Rf4#
- 1...Se6
- 2.Rf7#
- 1...g2
- 2.Bh4#
- 1...e4
- 2.Qxd4#
- 1...Rxd3
- Tries
- 1.Sf4?
- threat
- 2.Rf7#
- 1...e4
- 2.Re6#
- 2.Qxd4#
- 1...exf4!
- threat
- 1.Sxe5?
- 1...Rxc3
- 2.Se4#
- 1...Sxc4
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Rd3
- 2.Se4#
- 1...Rf3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Sc2
- 2.Sd7#
- 2.Rf4#
- 1...Sb3
- 2.Sd7#
- 2.Rf4#
- 1...Sf3
- 2.Sd7#
- 2.Rf4#
- 1...Sb5
- 2.Sd7#
- 2.Rf4#
- 1...Sf5
- 2.Sd7#
- 2.g5#
- 1...Sc6
- 2.Sd7#
- 2.Rf4#
- 1...Se6
- 2.Sd7#
- 2.Rf7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...g2
- 2.Bh4#
- 1...Rxe5+!
- 1...Rxc3
- 1.cxb6?
- 1...Rxd3
- 2.Se4#
- 1...Rf3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Sc2
- 2.Rf4#
- 1...Sb3
- 2.Rf4#
- 1...Sf3
- 2.Rf4#
- 1...Sb5
- 2.Rf4#
- 1...Sf5
- 2.g5#
- 1...Sc6
- 2.Rf4#
- 1...Se6
- 2.Rf7#
- 1...g2
- 2.Bh4#
- 1...e4
- 2.Qxd4#
- 1...axb6!
- 1...Rxd3
- 1.Sf4?
- Keys
- 1.Sb4!
- 1...Rxc3
- 2.Se4#
- 1...Sxc4
- 2.Sd5#
- 1...Sa4
- 2.Sd5#
- 1...Rd3
- 2.Se4#
- 1...Rf3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Sc2
- 2.Rf4#
- 1...Sb3
- 2.Rf4#
- 1...Sf3
- 2.Rf4#
- 1...Sb5
- 2.Rf4#
- 1...Sf5
- 2.g5#
- 1...Sc6
- 2.Rf4#
- 1...Se6
- 2.Rf7#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...g2
- 2.Bh4#
- 1...e4
- 2.Qxd4#
- 1...Rxc3
- 1.Sb4!
This is a version
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XS(D)::S(B)
- R(b);N_GUARD::S(B)
- R(b);N_GUARD::S(B),XR(b)
- S(d);OGATE,P_SPINP(e)::R(E)
- S(d);P_SPINP(e),SBLOCK::P(F)
- S(d);P_SPINP(e),SBLOCK::R1(L)
- P(c);OGATE::B(A)
- P(e);OGATEB,P_SPINS(d)::QAB(C),XS(d)
- Tries
- Try
- S(D);
- Threat
- R1(L)
- Refutation
- P(e);P_SPINS(d),XS(D)
- Try
- S(D);XP(e)
- Vars
- R(b);N_GUARD,XQ(C)::S(B)
- S(f);N_GUARD,XR(E)::S(D)
- S(f);N_GUARD::S(D)
- R(b);N_GUARD::S(B)
- R(b);N_GUARD::S(B),XR(b)
- S(f);N_GUARD::S(D),XS(f)
- P(c);OGATE::B(A)
- Refutation
- R(b);CHECK,XS(D)
- Try
- P(G);XS(f)
- Vars
- R(b);N_GUARD,XS(D)::S(B)
- R(b);N_GUARD::S(B)
- R(b);N_GUARD::S(B),XR(b)
- S(d);OGATE,P_SPINP(e)::R(E)
- S(d);P_SPINP(e),SBLOCK::P(F)
- S(d);P_SPINP(e),SBLOCK::R1(L)
- P(c);OGATE::B(A)
- P(e);OGATEB,P_SPINS(d)::QAB(C),XS(d)
- Refutation
- P(h);XP(G)
- Try
- Actual
- S(D);
- Vars
- R(b);N_GUARD,XQ(C)::S(B)
- S(f);N_GUARD,XR(E)::S(D)
- S(f);N_GUARD::S(D)
- R(b);N_GUARD::S(B)
- R(b);N_GUARD::S(B),XR(b)
- S(d);OGATE,P_SPINP(e)::R(E)
- S(d);P_SPINP(e),SBLOCK::P(F)
- S(d);P_SPINP(e),SBLOCK::R1(L)
- S(f);N_GUARD::S(D),XS(f)
- P(c);OGATE::B(A)
- P(e);OGATEB,P_SPINS(d)::QAB(C),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).