MESON Chess Problem Database
Problem Display
PID: 263005 (3K4/8/8/3N4/2Pkn3/1P3P2/1PP1Q3/8 w - - 0 1)
Brenner, Klaus
Hoffmann, Martin Wolfgang
Schweizerische Schachzeitung, 2009
#2
8 + 2
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Sg3
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 2.c3#
- 1...Sg5
- 2.Qe3#
- 1...Sd6
- 2.Qe3#
- 1...Sf6
- 2.Qe3#
- 1...Sd2
- Tries
- 1.Ke7?
- 1...Ke5
- 2.Qxe4#
- 1...Sd2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Sg3
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 2.c3#
- 1...Sg5
- 2.Qe3#
- 1...Sd6
- 2.Qe3#
- 1...Sf6
- 2.Qe3#
- 1...Kc5!
- 1...Ke5
- 1.b4?
- threat
- 2.Qxe4#
- 1...Sd2
- 2.c3#
- 1...Sf2
- 2.c3#
- 1...Sc3
- 2.bxc3#
- 1...Sg3
- 2.c3#
- 1...Sc5
- 2.c3#
- 1...Sg5
- 2.c3#
- 1...Sd6
- 2.c3#
- 1...Sf6
- 2.c3#
- 1...Ke5!
- threat
- 1.Ke7?
- Keys
- 1.Kc7!
- 1...Kc5
- 2.Qe3#
- 1...Ke5
- 2.Qxe4#
- 1...Sd2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Sg3
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 2.c3#
- 1...Sg5
- 2.Qe3#
- 1...Sd6
- 2.Qe3#
- 1...Sf6
- 2.Qe3#
- 1...Kc5
- 1.Kc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);::QAB1(C)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- K(a);N_GUARD,P_SPINS(b),S_FLIGHT::QAR1(C),XS(b)
- S(b);::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- P(D);
- Threat
- QAR1(C),XS(b)
- Vars
- S(b);N_GUARD::P(B)
- S(b);OGATE::P(A),XS(b)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- Actual
- K(H);S_FLIGHT
- Vars
- K(a);N_GUARD,S_FLIGHT::QAB(C)
- K(a);N_GUARD,P_SPINS(b),S_FLIGHT::QAR1(C),XS(b)
- S(b);::QAB1(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).