MESON Chess Problem Database
Problem Display
PID: 70883 (8/3K4/N1N2bPp/1n1kP1p1/b5rr/1P3P2/2P1nB1Q/5q2 w - - 0 1)
Storm, Fredrik
Schackvarlden, 1945
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Se7#
- 2.Qxe5#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Bh8
- 2.Se7#
- 1...Sed4
- 2.Scb4#
- 1...Sf4
- 2.Sab4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sbd4
- 2.c4#
- 1...Sd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Bxe5
- Tries
- 1.Qf4?
- threat
- 2.Sab4#
- 2.Scb4#
- 2.c4#
- 1...Qxf2
- 2.Scb4#
- 2.c4#
- 1...Bxb3
- 2.Sab4#
- 2.Scb4#
- 1...Sxf4
- 2.Sab4#
- 1...gxf4
- 2.Sab4#
- 2.c4#
- 1...Qc1
- 2.Sab4#
- 2.Scb4#
- 1...Qe1
- 2.c4#
- 1...Be7
- 2.Sxe7#
- 2.Qf7#
- 2.c4#
- 1...Sc1
- 2.Sab4#
- 2.Scb4#
- 1...Sg1
- 2.Sab4#
- 2.Scb4#
- 1...Sec3
- 2.Sab4#
- 2.Scb4#
- 1...Sg3
- 2.Sab4#
- 2.Scb4#
- 1...Sed4
- 2.Scb4#
- 1...Sa3
- 2.Sb4#
- 2.Sc7#
- 1...Sbc3
- 2.Sb4#
- 2.Sc7#
- 1...Sbd4
- 2.c4#
- 1...Sd6
- 2.Sb4#
- 2.Sc7#
- 1...Sa7
- 2.Sb4#
- 2.Sc7#
- 2.c4#
- 1...Sc7
- 2.Sb4#
- 2.Sxc7#
- 2.c4#
- 1...Rxf4!
- threat
- 1.Qf4?
- Keys
- 1.g7!
- threat
- 2.g8Q#
- 2.g8B#
- 1...Qxf2
- 2.g8Q#
- 2.g8B#
- 1...Rxh2
- 2.g8Q#
- 2.g8B#
- 1...Bxb3
- 2.g8Q#
- 2.g8B#
- 1...Bxe5
- 2.Se7#
- 2.Qxe5#
- 2.g8Q#
- 2.g8B#
- 1...Bxg7
- 2.Se7#
- 1...Qg2
- 2.g8Q#
- 2.g8B#
- 1...Qh3
- 2.g8Q#
- 2.g8B#
- 1...Qa1
- 2.g8Q#
- 2.g8B#
- 1...Qb1
- 2.g8Q#
- 2.g8B#
- 1...Qc1
- 2.g8Q#
- 2.g8B#
- 1...Qd1
- 2.g8Q#
- 2.g8B#
- 1...Qe1
- 2.g8Q#
- 2.g8B#
- 1...Qg1
- 2.g8Q#
- 2.g8B#
- 1...Qh1
- 2.g8Q#
- 2.g8B#
- 1...Rg1
- 2.g8Q#
- 2.g8B#
- 1...Rg2
- 2.g8Q#
- 2.g8B#
- 1...Rg3
- 2.g8Q#
- 2.g8B#
- 1...Rb4
- 2.g8Q#
- 2.g8B#
- 1...Rc4
- 2.g8Q#
- 2.g8B#
- 1...Rd4
- 2.g8Q#
- 2.g8B#
- 1...Re4
- 2.g8Q#
- 2.g8B#
- 1...Rf4
- 2.g8Q#
- 2.g8B#
- 1...Rh3
- 2.g8Q#
- 2.g8B#
- 1...Rh5
- 2.g8Q#
- 2.g8B#
- 1...Be7
- 2.Sxe7#
- 2.g8Q#
- 2.g8B#
- 1...Bd8
- 2.g8Q#
- 2.g8B#
- 1...Sc1
- 2.g8Q#
- 2.g8B#
- 1...Sg1
- 2.g8Q#
- 2.g8B#
- 1...Sec3
- 2.g8Q#
- 2.g8B#
- 1...Sg3
- 2.g8Q#
- 2.g8B#
- 1...Sed4
- 2.Scb4#
- 1...Sf4
- 2.Sab4#
- 1...Sa3
- 2.Sc7#
- 2.g8Q#
- 2.g8B#
- 1...Sbc3
- 2.Sc7#
- 2.g8Q#
- 2.g8B#
- 1...Sbd4
- 2.c4#
- 1...Sd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 2.g8Q#
- 2.g8B#
- 1...Sc7
- 2.Sxc7#
- 1...h5
- 2.g8Q#
- 2.g8B#
- threat
- 1.g7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- B(i);N_GUARD::S(H),XB(i)
- B(i);N_GUARD::S(H)
- S(b);S_CUTR(d)::S(H)
- S(b);S_CUTR(d)::S(G)
- S(f);N_GUARD,P_PINS(H)::S(G)
- S(f);P_PINS(H),S_CUTR(d)::P(A)
- S(f);N_GUARD,P_PINS(H)::S(G),XS(f)
- Tries
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- S(b);XQ(C)::S(G)
- Q(a);::P(A)
- S(b);::S(H)
- S(f);P_PINS(H)::P(A)
- Refutation
- R(d);XQ(C)
- Try
- Actual
- P(I);
- Threat
- P=Q
- Vars
- Q(a);XB(B)::P=Q
- R(e);XQ(C)::P=Q
- B(c);XP(D)::P=Q
- B(i);N_GUARD,XP(I)::S(H)
- Q(a);::P=Q
- R(d);::P=Q
- R(e);::P=Q
- B(i);::P=Q
- S(b);::P=Q
- S(b);S_CUTR(d)::S(H)
- S(b);S_CUTR(d)::S(G)
- S(f);P_PINS(H),S_CUTR(d)::P(A)
- S(f);N_GUARD,P_PINS(H)::S(G)
- S(f);N_GUARD,P_PINS(H)::S(G),XS(f)
- P(j);::P=Q
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).