MESON Chess Problem Database
Problem Display
PID: 270308 (5N2/5p2/n4k2/1p1P1N2/3KP2P/1P1P2P1/1B6/3b1n2 w - - 0 1)
de Simoni, Alessandro
Scacco!, 1978
#2
10 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Ke3#
- 1...Sh2
- 2.Ke3#
- 1...Se3
- 2.Kxe3#
- 1...Sxg3
- 2.Ke3#
- 1...Sb4
- 2.Kc5#
- 1...Sc5
- 2.Kxc5#
- 1...Sc7
- 2.Kc5#
- 1...Sb8
- 2.Kc5#
- 1...b4
- 2.Kc4#
- 1...Sd2
- Tries
- 1.d6?
- threat
- 2.Kd5#
- 1...Se3
- 2.Kxe3#
- 1...Sb4
- 2.Kc5#
- 1...Sc7
- 2.Kc5#
- 1...Bxb3!
- threat
- 1.d6?
- Keys
- 1.Kc3!
- 1...b4+
- 2.Kc4#
- 1...Ke5
- 2.Sd7#
- 1...Bxb3
- 2.Kxb3#
- 1...Sxg3
- 2.Kd2#
- 1...Bc2
- 2.Kxc2#
- 1...Be2
- 2.Kc2#
- 1...Bf3
- 2.Kc2#
- 1...Bg4
- 2.Kc2#
- 1...Bh5
- 2.Kc2#
- 1...Sd2
- 2.Kxd2#
- 1...Sh2
- 2.Kd2#
- 1...Se3
- 2.Kd2#
- 1...Sb4
- 2.Kxb4#
- 1...Sc5
- 2.Kb4#
- 1...Sc7
- 2.Kb4#
- 1...Sb8
- 2.Kb4#
- 1...b4+
- 1.Kc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 8
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);::B(A)+K(E)
- S(b);::B(A)+K(E),XS(b)
- S(b);XP(D)::B(A)+K(E)
- S(d);::B(A)+K(E)
- S(d);::B(A)+K(E),XS(d)
- P(c);::B(A)+K(E)
- Tries
- Try
- P(H);
- Threat
- B(A)+K(E)
- Vars
- S(b);::B(A)+K(E),XS(b)
- S(d);::B(A)+K(E)
- Refutation
- B(a);XP(B)
- Try
- Actual
- K(E);S_FLIGHT
- Vars
- P(c);CHECK::B(A)+K(E)
- K(e);N_GUARD,S_FLIGHT::S(J)
- B(a);XP(B)::B(A)+K(E),XB(a)
- S(b);XP(D)::B(A)+K(E)
- B(a);::B(A)+K(E),XB(a)
- B(a);::B(A)+K(E)
- S(b);::B(A)+K(E),XS(b)
- S(b);::B(A)+K(E)
- S(d);::B(A)+K(E),XS(d)
- S(d);::B(A)+K(E)
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).