MESON Chess Problem Database
Problem Display
PID: 44834 (B2R1N2/2p1P2r/2nn4/P1k5/P1N3R1/2P5/3p3p/K2Q4 w - - 0 1)
Stevenson, Edward
Double Pin-Mate after a Black King Move, 1980
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Se6#
- 2.Sd7#
- 1...Sxa5
- 2.Se6#
- 2.Sd7#
- 1...Se5
- 2.Se6#
- 1...Sa7
- 2.Se6#
- 2.Sd7#
- 1...Sxe7
- 2.Se6#
- 2.Sd7#
- 1...Sb8
- 2.Se6#
- 1...Sxd8
- 2.Sd7#
- 1...Sxc4
- 2.Se6#
- 1...Sb5
- 2.Se6#
- 1...Sf5
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Sc8
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...Sb4
- Tries
- 1.Se3?
- threat
- 2.Se6#
- 2.Sd7#
- 1...Sxa5
- 2.Sd7#
- 1...Sxd8
- 2.Sd7#
- 1...Rh6
- 2.Sd7#
- 1...Sd4
- 2.Sd7#
- 1...Se5
- 2.Se6#
- 1...Sb8
- 2.Se6#
- 1...Sc4
- 2.Se6#
- 2.Rxc4#
- 2.Rd5#
- 1...Se4
- 2.Se6#
- 2.Rd5#
- 1...Sb5
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Sf5
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Sb7
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Sf7
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Sc8
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Se8
- 2.Se6#
- 2.Rc4#
- 2.Rd5#
- 1...Rxe7!
- threat
- 1.Se3?
- Keys
- 1.Sxd2!
- threat
- 2.Sb3#
- 1...Kd5
- 2.Rg5#
- 1...Sxa5
- 2.Sd7#
- 1...Sd4
- 2.Sd7#
- 1...Se4
- 2.Se6#
- threat
- 1.Sxd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- S(d);::S(K)
- S(d);XR(J)::S(K)
- S(e);XS(E)::S(K)
- S(e);::S(K)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(d);XP(G)::S(K)
- S(d);XR(J)::S(K)
- R(g);::S(K)
- S(d);::S(K)
- Refutation
- R(g);XP(H)
- Try
- Actual
- S(E);XP(a)
- Threat
- S(E)
- Vars
- K(c);P-FLIGHT,P_SPINS(d)::R(F)
- S(d);XP(G)::S(K)
- S(d);::S(K)
- S(e);::S(K)
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).