MESON Chess Problem Database
Problem Display
PID: 244121 (7K/R5N1/3k3N/3P3b/1PpnPP2/8/3B3q/b2B4 w - - 0 1)
Benedek, Attila
L'Italia Scacchistica, 1991
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Bxf4#
- 1...Bxd1
- 2.Se8#
- 1...Be2
- 2.Se8#
- 1...Bf3
- 2.Se8#
- 1...Bg4
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Qxf4
- Tries
- 1.Bf3?
- threat
- 2.e5#
- 1...Qxf4
- 2.Bxf4#
- 1...Bxf3
- 2.Se8#
- 1...Sxf3
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Qe2!
- threat
- 1.Ba4?
- threat
- 2.Rd7#
- 1...Qxf4
- 2.Bxf4#
- 1...Bg4
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sb5
- 2.Sf5#
- 1...Sc6
- 2.Sf5#
- 1...Qh3!
- threat
- 1.Bxh5?
- threat
- 2.Sf7#
- 2.Se8#
- 1...Qxf4
- 2.Bxf4#
- 1...Sc2
- 2.Sf5#
- 2.Sf7#
- 1...Se2
- 2.Sf5#
- 2.Sf7#
- 1...Sb3
- 2.Sf5#
- 2.Sf7#
- 1...Sf3
- 2.Sf5#
- 2.Sf7#
- 1...Sb5
- 2.Sf5#
- 2.Sf7#
- 1...Sf5
- 2.Sxf5#
- 2.Sf7#
- 1...Sc6
- 2.Sf5#
- 2.Sf7#
- 1...Se6
- 2.Sf5#
- 2.Sf7#
- 1...Qxh5!
- threat
- 1.Rf7?
- threat
- 2.Se8#
- 1...Qxf4
- 2.Bxf4#
- 1...Sc2
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sb3
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Bxf7!
- threat
- 1.Bf3?
- Keys
- 1.Bg4!
- threat
- 2.Rd7#
- 1...Qxf4
- 2.Bxf4#
- 1...Bxg4
- 2.Se8#
- 1...Be8
- 2.Sxe8#
- 1...Sf5
- 2.Sxf5#
- 1...Se6
- 2.Sf5#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- B(e);N_GUARD,P_PINS(G),XB(A)::S(I)
- B(e);N_GUARD,P_PINS(G)::S(I)
- B(e);N_GUARD,P_PINS(G)::S(I),XB(e)
- S(d);N_GUARD,P_PINS(I)::S(G)
- S(d);N_GUARD,P_PINS(I)::S(G),XS(d)
- Tries
- Try
- B(A);
- Threat
- P(D)
- Vars
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- B(e);N_GUARD,P_PINS(G),XB(A)::S(I)
- S(d);N_GUARD,P_PINS(I),XB(A)::S(G)
- S(d);N_GUARD,P_PINS(I)::S(G)
- S(d);N_GUARD,P_PINS(I)::S(G),XS(d)
- Refutation
- Q(b);
- Try
- B(A);
- Threat
- R1(H)
- Vars
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- B(e);N_GUARD,P_PINS(G)::S(I)
- B(e);N_GUARD,P_PINS(G)::S(I),XB(e)
- S(d);N_GUARD,P_PINS(I)::S(G)
- Refutation
- Q(b);
- Try
- B(A);XB(e)
- Threat
- DUALS(2)
- Vars
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- Refutation
- Q(b);P_PINS(G),XB(A)
- Try
- R(H);
- Threat
- S(I)
- Vars
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- S(d);N_GUARD,P_PINS(I)::S(G)
- S(d);N_GUARD,P_PINS(I)::S(G),XS(d)
- Refutation
- B(e);P_PINS(G),XR(H)
- Try
- Actual
- B(A);
- Threat
- R1(H)
- Vars
- Q(b);OGATE,XP(E)::B(B),XQ(b)
- B(e);N_GUARD,P_PINS(G),XB(A)::S(I)
- B(e);N_GUARD,P_PINS(G)::S(I),XB(e)
- S(d);N_GUARD,P_PINS(I)::S(G),XS(d)
- S(d);N_GUARD,P_PINS(I)::S(G)
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).