MESON Chess Problem Database
Problem Display
PID: 272965 (8/8/1p3p2/1Pp1pP2/N1k1P2p/2Pb3Q/1Rp5/2K5 w - - 0 1)
Eichholz, Heinrich
Die Schwalbe, 1932
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sxb6#
- 2.Qxf1#
- 1...Be2
- 2.Sxb6#
- 1...Bxe4
- 2.Sxb6#
- 1...Bf1
- Tries
- 1.Qg4?
- threat
- 2.Qg8#
- 1...Bxe4
- 2.Qxe4#
- 1...Be2
- 2.Qxe2#
- 1...Bf1!
- threat
- 1.Qe3?
- 1...Bxe4
- 2.Sxb6#
- 2.Qxe4#
- 1...Bf1
- 2.Sxb6#
- 1...Be2
- 2.Sxb6#
- 2.Qxe2#
- 1...h3!
- 1...Bxe4
- 1.Qf3?
- 1...Bxe4
- 2.Sxb6#
- 2.Qxe4#
- 1...Bf1
- 2.Sxb6#
- 2.Qxf1#
- 1...Be2
- 2.Sxb6#
- 2.Qxe2#
- 1...h3!
- 1...Bxe4
- 1.Qg3?
- threat
- 2.Qg8#
- 1...Bxe4
- 2.Sxb6#
- 1...Bf1
- 2.Sxb6#
- 1...Be2
- 2.Sxb6#
- 1...hxg3!
- threat
- 1.Qg4?
- Keys
- 1.Qg2!
- threat
- 2.Qg8#
- 1...Bxe4
- 2.Qxe4#
- 1...Bf1
- 2.Qxf1#
- 1...Be2
- 2.Qxe2#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);::S(E),XP(g)
- B(b);XP(F)::S(E),XP(g)
- Tries
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- B(b);OGATE,P_SPINB(b),XP(F)::QAR2(D),XB(b)
- B(b);OGATEB::QAB(D),XB(b)
- Refutation
- B(b);
- Try
- Q(D);
- Vars
- B(b);::S(E),XP(g)
- Refutation
- P(d);
- Try
- Q(D);
- Refutation
- P(d);
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- B(b);XP(F)::S(E),XP(g)
- B(b);::S(E),XP(g)
- Refutation
- P(d);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- QAB(D)
- Vars
- B(b);OGATE,XP(F)::QAR2(D),XB(b)
- B(b);OGATEB::QAB(D),XB(b)
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).