MESON Chess Problem Database
Problem Display
PID: 57779 (6N1/4r2B/2p1P3/3b2k1/3n1NPn/7K/1b1P1Q2/8 w - - 0 1)
Spessato, Gian Luca
Scacco!, 1995
#2
8 + 7
SOLUTION
- SOUND
- Tries
- 1.Sg2?
- threat
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 2.Qf6#
- 1...Rxe6
- 2.Qxh4#
- 2.Qf4#
- 1...Rxh7
- 2.Qf6#
- 1...Sxe6
- 2.Qxh4#
- 1...Sxg2
- 2.Qf6#
- 1...Rf7
- 2.Qxh4#
- 1...Bf3
- 2.Qe3#
- 2.Qxh4#
- 1...Sc2
- 2.Qxh4#
- 2.Qf4#
- 1...Se2
- 2.Qxh4#
- 1...Sb3
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf3
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf5
- 2.Qf4#
- 1...Shf3
- 2.Qe3#
- 1...Shf5
- 2.Qf4#
- 1...Sg6
- 2.Qf6#
- 1...Bxg2+!
- threat
- 1.Sd3?
- threat
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 2.Qf6#
- 1...Rxe6
- 2.Qxh4#
- 2.Qf4#
- 1...Rxh7
- 2.Qf6#
- 1...Sxe6
- 2.Qxh4#
- 1...Rf7
- 2.Qxh4#
- 1...Bf3
- 2.Qe3#
- 2.Qxh4#
- 1...Sc2
- 2.Qxh4#
- 2.Qf4#
- 1...Se2
- 2.Qxh4#
- 1...Sb3
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf3
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf5
- 2.Qf4#
- 1...Sg2
- 2.Qf6#
- 1...Shf3
- 2.Qe3#
- 1...Shf5
- 2.Qf4#
- 1...Sg6
- 2.Qf6#
- 1...Bg2+!
- threat
- 1.Sh5?
- threat
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 2.Qf6#
- 1...Rxe6
- 2.Qxh4#
- 2.Qf4#
- 1...Rxh7
- 2.Qf6#
- 1...Sxe6
- 2.Qxh4#
- 1...Rf7
- 2.Qxh4#
- 1...Bf3
- 2.Qe3#
- 2.Qxh4#
- 1...Sc2
- 2.Qxh4#
- 2.Qf4#
- 1...Se2
- 2.Qxh4#
- 1...Sb3
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf3
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf5
- 2.Qf4#
- 1...Sg2
- 2.Qf6#
- 1...Shf3
- 2.Qe3#
- 1...Shf5
- 2.Qf4#
- 1...Sg6
- 2.Qf6#
- 1...Bg2+!
- threat
- 1.Sg6?
- threat
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 2.Qf6#
- 1...Rxe6
- 2.Qxh4#
- 2.Qf4#
- 1...Rxh7
- 2.Qf6#
- 1...Sxe6
- 2.Qxh4#
- 1...Sxg6
- 2.Qf6#
- 1...Rf7
- 2.Qxh4#
- 1...Bf3
- 2.Qe3#
- 2.Qxh4#
- 1...Sc2
- 2.Qxh4#
- 2.Qf4#
- 1...Se2
- 2.Qxh4#
- 1...Sb3
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf3
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf5
- 2.Qf4#
- 1...Sg2
- 2.Qf6#
- 1...Shf3
- 2.Qe3#
- 1...Shf5
- 2.Qf4#
- 1...Bg2+!
- threat
- 1.Sg2?
- Keys
- 1.Sxd5!
- threat
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 2.Qf6#
- 1...Rxe6
- 2.Qxh4#
- 2.Qf4#
- 1...Rxh7
- 2.Qf6#
- 1...Sxe6
- 2.Qxh4#
- 1...cxd5
- 2.Qe3#
- 2.Qf6#
- 1...Rf7
- 2.Qxh4#
- 1...Sc2
- 2.Qxh4#
- 2.Qf4#
- 1...Se2
- 2.Qxh4#
- 1...Sb3
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf3
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qxh4#
- 2.Qf4#
- 1...Sdf5
- 2.Qf4#
- 1...Sg2
- 2.Qf6#
- 1...Shf3
- 2.Qe3#
- 1...Shf5
- 2.Qf4#
- 1...Sg6
- 2.Qf6#
- threat
- 1.Sxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAB1(B)
- S(b);XP(F)::QAB1(B),XS(c)
- S(c);XS(D)::QAB1(B)
- R(g);::QAB1(B),XS(c)
- S(b);::QAB1(B),XS(c)
- S(b);::QAB(B)
- S(b);::QAB1(B)
- S(c);::QAB(B)
- S(c);::QAB1(B)
- Refutation
- B(d);CHECK,XS(D)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAB1(B)
- S(b);XP(F)::QAB1(B),XS(c)
- R(g);::QAB1(B),XS(c)
- S(b);::QAB1(B),XS(c)
- S(b);::QAB(B)
- S(b);::QAB1(B)
- S(c);::QAB1(B)
- S(c);::QAB(B)
- Refutation
- B(d);CHECK
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAB1(B)
- S(b);XP(F)::QAB1(B),XS(c)
- R(g);::QAB1(B),XS(c)
- S(b);::QAB1(B),XS(c)
- S(b);::QAB(B)
- S(b);::QAB1(B)
- S(c);::QAB1(B)
- S(c);::QAB(B)
- Refutation
- B(d);CHECK
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAB1(B)
- S(b);XP(F)::QAB1(B),XS(c)
- S(c);XS(D)::QAB1(B)
- R(g);::QAB1(B),XS(c)
- S(b);::QAB1(B),XS(c)
- S(b);::QAB(B)
- S(b);::QAB1(B)
- S(c);::QAB1(B)
- S(c);::QAB(B)
- Refutation
- B(d);CHECK
- Try
- Actual
- S(D);XB(d)
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAB1(B)
- S(b);XP(F)::QAB1(B),XS(c)
- R(g);::QAB1(B),XS(c)
- S(b);::QAB1(B),XS(c)
- S(b);::QAB(B)
- S(b);::QAB1(B)
- S(c);::QAB1(B)
- S(c);::QAB(B)
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).