MESON Chess Problem Database
Problem Display
PID: 207433 (B7/3p4/3K1Bnp/2pN4/R1Npk1P1/2p5/4Pb2/3r1R1n w - - 0 1)
Haring, Jacobus
Die Schwalbe, 1974
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Bg1
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Be3
- 2.Sxc3#
- 2.Sdxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Bg3+
- 2.Sf4#
- 1...Bh4
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Sf4
- 2.Sxc3#
- 1...d3
- 2.Sd2#
- 1...Be1
- Tries
- 1.Kc7?
- threat
- 2.Sd6#
- 1...d6
- 2.Sxd6#
- 1...Bg3+!
- threat
- 1.Be5?
- threat
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Rb1
- 2.Sxc3#
- 2.Sb4#
- 2.Sdb6#
- 2.Sf6#
- 1...Be3
- 2.Sxc3#
- 2.Sdxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Sf4
- 2.Sxc3#
- 2.Sxf4#
- 2.Sf6#
- 1...Se7
- 2.Sxc3#
- 2.Sf6#
- 2.Sxe7#
- 1...c2
- 2.Sc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Sxe5!
- threat
- 1.Bg5?
- threat
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Bg3+
- 2.Sf4#
- 1...d3
- 2.Sd2#
- 1...Rb1
- 2.Sxc3#
- 2.Sb4#
- 2.Sdb6#
- 2.Sf6#
- 1...Be3
- 2.Sxc3#
- 2.Sdxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Sf4
- 2.Sxc3#
- 2.Sxf4#
- 2.Sf6#
- 1...Se5
- 2.Sxc3#
- 2.Sf6#
- 1...Se7
- 2.Sxc3#
- 2.Sf6#
- 2.Sxe7#
- 1...c2
- 2.Sc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...hxg5!
- threat
- 1.Rxf2?
- threat
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Rb1
- 2.Sxc3#
- 2.Sb4#
- 2.Sdb6#
- 1...Sf4
- 2.Sxc3#
- 2.Sxf4#
- 2.Rxf4#
- 1...Se5
- 2.Sxc3#
- 2.Rf4#
- 1...Se7
- 2.Sxc3#
- 2.Sxe7#
- 2.Rf4#
- 1...c2
- 2.Sc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdb6#
- 2.Sc7#
- 2.Se7#
- 1...Sxf2!
- threat
- 1.Kc7?
- Keys
- 1.Kxc5!
- threat
- 2.Sd6#
- 1...d3+
- 2.Sce3#
- 1...d6+
- 2.Sxd6#
- 1...Bg3
- 2.Sxc3#
- threat
- 1.Kxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(c);CHECK::B(I)+S(F)
- S(h);SBLOCK::B(I)+S(F),DCHECK,XP(d)
- P(e);::R(C)+S(D),DCHECK
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- S(D)
- Vars
- P(j);::S(D),XP(j)
- Refutation
- B(c);CHECK
- Try
- B(H);
- Threat
- DUALS(8)
- Refutation
- S(h);XB(H)
- Try
- B(H);
- Threat
- DUALS(8)
- Vars
- B(c);CHECK::B(I)+S(F)
- P(e);::R(C)+S(D),DCHECK
- Refutation
- P(i);XB(H)
- Try
- R(A);XB(c)
- Threat
- DUALS(7)
- Refutation
- S(b);XR(A)
- Try
- Actual
- K(G);S_FLIGHT,XP(g)
- Threat
- S(D)
- Vars
- P(e);CHECK::R(C)+S(D)
- P(j);CHECK::S(D),XP(j)
- B(c);::B(I)+S(F),DCHECK,XP(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).