MESON Chess Problem Database

Problem Display
PID: 50805 (6bn/5p2/p4Q2/2NkN3/r1p3p1/2pnB3/4PP2/b2R3K w - - 0 1)

Jones, Christopher JAJ

Problem Observer, 2003

6bn/5p2/p4Q2/2NkN3/r1p3p1/2pnB3/4PP2/b2R3K

#2

8 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Scxd3?
      • threat
        • 2.Sc5#
        • 2.Qc6#
      • 1...Ke4
        • 2.Sc5#
      • 1...Ra2
        • 2.Qc6#
      • 1...Bh7
        • 2.Qc6#
      • 1...c2
        • 2.Qc6#
      • 1...cxd3!
    • 1.Sexd3?
      • threat
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Se5#
      • 1...Ra2
        • 2.Sb2#
        • 2.Sb4#
        • 2.Sf4#
      • 1...Rb4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sxb4#
        • 2.Sf4#
        • 2.Se5#
      • 1...Bb2
        • 2.Sc1#
        • 2.Se1#
        • 2.Sxb2#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Se5#
      • 1...Bh7
        • 2.Sb4#
        • 2.Sf4#
      • 1...c2
        • 2.Sb4#
        • 2.Sf4#
      • 1...cxd3!
    • 1.Sxf7?
      • threat
        • 2.Qd6#
        • 2.Qe6#
      • 1...Sxf7
        • 2.Qe6#
      • 1...Bxf7!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qd8#
      • 1...Sxf2+
        • 2.Bxf2#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Sxc5
        • 2.Qc6#
      • 1...Sxe5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • K(g);S_FLIGHT::S(F)
        • R(d);::QAB1(H)
        • B(j);::QAB1(H)
        • P(b);::QAB1(H)
      • Refutation
        • P(e);P_SPINP(e),XS(F)
    • Try
      • S(G);XS(c)
      • Threat
        • DUALS(6)
      • Refutation
        • P(e);P_SPINP(e),XS(G)
    • Try
      • S(G);XP(i)
      • Threat
        • DUALS(2)
      • Vars
        • S(k);XS(G)::QAB1(H)
      • Refutation
        • B(j);XS(G)
  • Actual
    • B(E);N_PINS(c)
    • Threat
      • QAR(H)
    • Vars
      • S(c);CHECK,OGATE,XP(D)::R(A)+B(E),XS(c)
      • K(g);P-FLIGHT,P_SPINS(c),XB(E)::QAR2(H)
      • S(c);XS(F)::QAB1(H)
      • S(c);XS(G)::P(C)
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