MESON Chess Problem Database
Problem Display
PID: 11282 (6B1/n5q1/Q1p5/1pk1n3/1p3N1R/7b/1N1R3B/K7 w - - 0 1)
Thomsen, Svend Orvar
Skakbladet, 1937
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Bg1#
- 2.Qxa7#
- 1...Qh6
- 2.Bg1#
- 2.Qxa7#
- 1...Qf8
- 2.Bg1#
- 2.Qxa7#
- 1...Qh8
- 2.Bg1#
- 2.Qxa7#
- 1...Qg1+
- 2.Bxg1#
- 1...Qg2
- 2.Qxa7#
- 1...Qg3
- 2.Qxa7#
- 1...Qg4
- 2.Qxa7#
- 1...Qg5
- 2.Qxa7#
- 1...Qg6
- 2.Qxa7#
- 1...Qb7
- 2.Bg1#
- 1...Qc7
- 2.Bg1#
- 1...Qe7
- 2.Bg1#
- 1...Qf7
- 2.Bg1#
- 1...Qh7
- 2.Bg1#
- 1...Qxg8
- 2.Qxa7#
- 1...Bf1
- 2.Se6#
- 1...Bg2
- 2.Se6#
- 2.Bg1#
- 1...Bg4
- 2.Bg1#
- 1...Be6
- 2.Sxe6#
- 1...Bd7
- 2.Qxa7#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Sg4
- 2.Se6#
- 1...Sg6
- 2.Sd3#
- 1...Sd7
- 2.Sd3#
- 1...Sf7
- 2.Qxa7#
- 1...Qf6
- Tries
- 1.Rg4?
- threat
- 2.Se6#
- 2.Bg1#
- 1...Qxg4
- 2.Qxa7#
- 1...Qxg8
- 2.Bg1#
- 2.Qxa7#
- 1...Bxg4
- 2.Bg1#
- 1...Sxg4
- 2.Se6#
- 1...Sd3
- 2.Sxd3#
- 1...b3
- 2.Se6#
- 1...Qf6
- 2.Bg1#
- 2.Qxa7#
- 1...Qh6
- 2.Bg1#
- 2.Qxa7#
- 1...Qg6
- 2.Bg1#
- 2.Qxa7#
- 1...Qe7
- 2.Bg1#
- 1...Qf7
- 2.Bg1#
- 1...Sf3
- 2.Sd3#
- 2.Se6#
- 1...Sc4
- 2.Sd3#
- 2.Se6#
- 1...Sg6
- 2.Sd3#
- 2.Se6#
- 1...Sd7
- 2.Sd3#
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 2.Qxa7#
- 1...Qd7!
- threat
- 1.Rg4?
- Keys
- 1.Qa5!
- threat
- 2.Sa4#
- 1...Qg1+
- 2.Bxg1#
- 1...Qxg8
- 2.Qxa7#
- 1...Sd3
- 2.Sxd3#
- 1...Qf7
- 2.Bg1#
- 1...Be6
- 2.Sxe6#
- 1...Sf3
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Sg4
- 2.Se6#
- 1...Sg6
- 2.Sd3#
- 1...Sd7
- 2.Sd3#
- 1...Sf7
- 2.Qxa7#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- Q(h);CHECK,N_GUARD::B(D),XQ(h)
- Q(h);N_GUARD::QAB(G),XS(g)
- Q(h);N_GUARD::B(D)
- Q(h);N_GUARD,XB(H)::QAB(G),XS(g)
- B(a);N_GUARD::S(E)
- B(a);S_CUTQ(h)::B(D)
- B(a);N_GUARD::S(E),XB(a)
- B(a);S_CUTQ(h)::QAB(G),XS(g)
- S(e);N_GUARD,P_PINS(B)::S(E),XS(e)
- S(e);N_GUARD,P_PINS(B)::S(E)
- S(e);P_PINS(B),S_CUTB(a)::S(E)
- S(e);P_PINS(B),S_CUTQ(h)::QAB(G),XS(g)
- Tries
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XR(F)::QAB(G),XS(g)
- B(a);XR(F)::B(D)
- S(e);P_PINS(B),XR(F)::S(E)
- S(e);N_GUARD,P_PINS(B)::S(E),XS(e)
- P(b);::S(E)
- Q(h);::B(D)
- Refutation
- Q(h);
- Try
- Actual
- Q(G);P_PINP(c)
- Threat
- S(B)
- Vars
- Q(h);CHECK,N_GUARD::B(D),XQ(h)
- Q(h);N_GUARD,XB(H)::QAB(G),XS(g)
- S(e);N_GUARD,P_PINS(B)::S(E),XS(e)
- Q(h);N_GUARD::B(D)
- B(a);N_GUARD::S(E),XB(a)
- S(e);N_GUARD,P_PINS(B)::S(E)
- S(e);P_PINS(B),S_CUTB(a)::S(E)
- S(e);P_PINS(B),S_CUTQ(h)::QAB(G),XS(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).