MESON Chess Problem Database
Problem Display
PID: 198061 (KB6/Q1N1p3/7p/3p1p2/R1N1kp2/2Pn3R/r1n3P1/1B3bb1 w - - 0 1)
Dittrich, Stefan
Suomen Shakki, 1986
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Qd4#
- 1...Sf2
- 2.Qd4#
- 1...Se5
- 2.Sd2#
- 2.Sd6#
- 1...d4
- 2.Qb7#
- 1...e5
- 2.Sd2#
- 2.Sd6#
- 1...Se3
- Tries
- 1.Sb5?
- threat
- 2.Sd2#
- 1...dxc4
- 2.Qb7#
- 1...d4
- 2.Qb7#
- 1...Scb4
- 2.Qxe7#
- 1...Sd4!
- threat
- 1.Se6?
- threat
- 2.Sd2#
- 1...dxc4
- 2.Qb7#
- 1...d4
- 2.Qb7#
- 1...Sd4
- 2.Sc5#
- 1...Scb4!
- threat
- 1.Se8?
- threat
- 2.Sd2#
- 1...dxc4
- 2.Qb7#
- 1...d4
- 2.Qb7#
- 1...Scb4
- 2.Qxe7#
- 1...Sd4!
- threat
- 1.Sb5?
- Keys
- 1.Sa6!
- threat
- 2.Sd2#
- 1...dxc4
- 2.Qb7#
- 1...d4
- 2.Qb7#
- 1...Scb4
- 2.Qxe7#
- 1...Sd4
- 2.Sc5#
- threat
- 1.Sa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- S(d);N_GUARD,P_SPINS(e),S_CUTB(b)::QAR1(G)
- S(e);P_SPINS(d),S_CUTB(b)::QAR1(G)
- P(h);OGATEB::QAB(G)
- Tries
- Try
- S(H);
- Threat
- R(E)+S(F),DCHECK
- Vars
- P(h);OGATEB,P_SPINP(h),XS(F)::QAB(G)
- P(h);OGATEB::QAB(G)
- S(d);P_SPINS(e)::QAR(G),XP(k)
- Refutation
- S(d);P_SPINS(e)
- Try
- S(H);
- Threat
- R(E)+S(F),DCHECK
- Vars
- P(h);OGATEB,P_SPINP(h),XS(F)::QAB(G)
- P(h);OGATEB::QAB(G)
- S(d);P_SPINS(e),S_CUTB(b)::S(H)
- Refutation
- S(d);P_SPINS(e)
- Try
- S(H);
- Threat
- R(E)+S(F),DCHECK
- Vars
- P(h);OGATEB,P_SPINP(h),XS(F)::QAB(G)
- P(h);OGATEB::QAB(G)
- S(d);P_SPINS(e)::QAR(G),XP(k)
- Refutation
- S(d);P_SPINS(e)
- Try
- Actual
- S(H);
- Threat
- R(E)+S(F),DCHECK
- Vars
- P(h);OGATEB,P_SPINP(h),XS(F)::QAB(G)
- P(h);OGATEB::QAB(G)
- S(d);P_SPINS(e)::QAR(G),XP(k)
- S(d);P_SPINS(e),S_CUTB(b)::S(H)
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).