MESON Chess Problem Database
Problem Display
PID: 76879 (3B4/1B2pNK1/r1n4N/p3R3/2Pp1k2/r4n2/5P1p/7Q w - - 0 1)
Pitkanen, Jorma
The Problemist Supplement, 2007
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Re4#
- 2.Rf5#
- 2.Qe4#
- 1...Sg1
- 2.Re4#
- 2.Rf5#
- 2.Qe4#
- 1...Sd2
- 2.Rf5#
- 1...Sh4
- 2.Re4#
- 2.Qe4#
- 1...Sg5
- 2.Rf5#
- 1...Sb4
- 2.Re4#
- 2.Rf5#
- 1...Sa7
- 2.Re4#
- 2.Rf5#
- 1...Sb8
- 2.Re4#
- 2.Rf5#
- 1...Sxd8
- 2.Re4#
- 2.Rf5#
- 1...Se1
- Tries
- 1.Bxc6?
- threat
- 2.Re4#
- 2.Rf5#
- 1...Sxe5
- 2.Qe4#
- 1...Re3
- 2.Rf5#
- 1...Sd2
- 2.Rf5#
- 1...Sh4
- 2.Re4#
- 2.Qe4#
- 1...Sg5
- 2.Rf5#
- 1...e6
- 2.Re4#
- 1...Rxc6!
- threat
- 1.Qg2?
- threat
- 2.Qg3#
- 2.Qg4#
- 1...Scxe5
- 2.Qg3#
- 1...h1S
- 2.Qg4#
- 1...Se1
- 2.Re4#
- 2.Rf5#
- 2.Qe4#
- 2.Qg4#
- 1...Sg1
- 2.Re4#
- 2.Rf5#
- 2.Qe4#
- 2.Qg4#
- 1...Sd2
- 2.Rf5#
- 2.Qg4#
- 1...Sh4
- 2.Re4#
- 2.Qe4#
- 2.Qg4#
- 1...Sg5
- 2.Rf5#
- 2.Qg4#
- 1...Sfxe5!
- threat
- 1.Bxc6?
- Keys
- 1.Sg5!
- threat
- 2.Rf5#
- 1...Kxe5
- 2.Bc7#
- 1...Sfxe5
- 2.Se6#
- 1...Scxe5
- 2.Sh3#
- 1...Sh4
- 2.Qe4#
- 1...e6
- 2.Re4#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- S(c);::R1(D)
- Tries
- Try
- B(F);XS(h)
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XR(D)::QAR1(A)
- R(b);::R1(D)
- S(c);::R1(D)
- P(i);::R1(D)
- Refutation
- R(g);XB(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(h);XR(D)::QAB1(A)
- P(a);::QAR1(A)
- Refutation
- S(c);XR(D)
- Try
- Actual
- S(G);
- Threat
- R1(D)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(D)::B(I)
- S(c);SBLOCK,XR(D)::S(G)
- S(h);SBLOCK,XR(D)::S(G)
- S(c);OGATE::QAR1(A)
- P(i);::R1(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).