MESON Chess Problem Database
Problem Display
PID: 190268 (8/6pK/6Q1/5N2/5p2/7k/7P/8 w - - 0 1)
Sundman, Gote
Schweizerische Schachzeitung, 1983
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.Qg3#
- 1...f3
- Tries
- 1.Kxg7?
- 1...f3
- 2.Qg3#
- 1...Kxh2!
- 1...f3
- 1.Kg8?
- 1...f3
- 2.Qg3#
- 1...Kxh2!
- 1...f3
- 1.Kh8?
- 1...f3
- 2.Qg3#
- 1...Kxh2!
- 1...f3
- 1.Sh4?
- 1...Kxh2
- 2.Qg2#
- 1...f3
- 2.Qg3#
- 1...Kxh4!
- 1...Kxh2
- 1.Sxg7?
- 1...Kh4
- 2.Qh5#
- 1...f3
- 2.Qg3#
- 1...Kxh2!
- 1...Kh4
- 1.Qxg7?
- 1...f3
- 2.Qg3#
- 1...Kxh2!
- 1...f3
- 1.Kxg7?
- Keys
- 1.Se3!
- threat
- 2.Qh5#
- 1...Kxh2
- 2.Qg2#
- 1...Kh4
- 2.Qg4#
- 1...fxe3
- 2.Qg3#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(b);N_GUARD::QAR1(C)
- Tries
- Try
- K(D);P-FLIGHT,XP(c)
- Vars
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(A)
- Try
- K(D);S_FLIGHT
- Vars
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(A)
- Try
- K(D);P-FLIGHT
- Vars
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(A)
- Try
- S(B);
- Vars
- K(a);P-FLIGHT,XP(A)::QAR1(C)
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XS(B)
- Try
- S(B);XP(c)
- Vars
- K(a);P-FLIGHT::QAR1(C)
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(A)
- Try
- Q(C);XP(c)
- Vars
- P(b);N_GUARD::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(A)
- Try
- Actual
- S(B);
- Threat
- QAR2(C)
- Vars
- K(a);P-FLIGHT,XP(A)::QAR1(C)
- K(a);P-FLIGHT::QAR1(C)
- P(b);N_GUARD,XS(B)::QAR1(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).