MESON Chess Problem Database
Problem Display
PID: 44835 (5N2/2Q3N1/1KpPP3/4k3/1pP1nR2/2pn2P1/8/1b1Rr3 w - - 0 1)
Stevenson, Edward
Double Pin-Mate after a Black King Move, 1980
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sg6#
- 2.Sd7#
- 2.Rf5#
- 1...Sb2
- 2.Sg6#
- 2.Sd7#
- 2.Rf5#
- 1...Sdf2
- 2.Sg6#
- 2.Sd7#
- 2.Rf5#
- 1...Sxf4
- 2.Sd7#
- 1...Sdc5
- 2.Sg6#
- 2.Rf5#
- 1...Sd2
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sef2
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sxg3
- 2.Sg6#
- 2.d7#
- 1...Sec5
- 2.Sg6#
- 2.d7#
- 1...Sg5
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sxd6
- 2.Sg6#
- 2.Sd7#
- 1...Sf6
- 2.Sg6#
- 2.d7#
- 1...Sc1
- Tries
- 1.Rxd3?
- threat
- 2.Sg6#
- 2.Sd7#
- 2.Rf5#
- 1...Sxg3
- 2.Sg6#
- 2.d7#
- 1...Sxd6
- 2.Sg6#
- 2.Sd7#
- 2.Qxd6#
- 1...Rf1
- 2.Sg6#
- 2.Sd7#
- 1...Sd2
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sf2
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sc5
- 2.Sg6#
- 2.d7#
- 1...Sg5
- 2.Sg6#
- 2.Sd7#
- 2.d7#
- 1...Sf6
- 2.Sg6#
- 2.d7#
- 1...Bxd3!
- threat
- 1.d7+?
- 1...Sd6
- 2.Sg6#
- 1...Kd4!
- 1...Sd6
- 1.Rxd3?
- Keys
- 1.Qxc6!
- threat
- 2.Qd5#
- 1...Kd4
- 2.Qc5#
- 1...Sxf4
- 2.Sd7#
- 1...Sxg3
- 2.Sg6#
- 1...Sf6
- 2.Sg6#
- threat
- 1.Qxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(d);XR(D)::S(J)
- Tries
- Try
- R(A);XS(d)
- Threat
- DUALS(3)
- Refutation
- B(a);XR(A)
- Try
- P(F);CHECK
- Vars
- S(f);P_SPINS(f)::S(J)
- Refutation
- K(g);P_SPINS(d),S_FLIGHT
- Try
- Actual
- Q(H);XP(h)
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAB1(H)
- S(d);XR(D)::S(J)
- S(f);XP(B)::S(J)
- S(f);::S(J)
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).