MESON Chess Problem Database

Problem Display
PID: 275437 (6b1/2p5/1pBkPB2/1K3P1N/2Q1qP2/N3p3/2p2pn1/8 w - - 0 1)

Morse, Christopher Jeremy

Phenix, 2000

6b1/2p5/1pBkPB2/1K3P1N/2Q1qP2/N3p3/2p2pn1/8

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Qxd3#
    • 1...Qf3
      • 2.Qb4#
    • 1...Qd5+
      • 2.Qxd5#
    • 1...Qxc6+
      • 2.Qxc6#
    • 1...Qxc4+
      • 2.Sxc4#
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qxf4
      • 2.Qd5#
    • 1...Qe5+
      • 2.fxe5#
    • 1...Qxe6
      • 2.Qb4#
  • Tries
    • 1.Sg7?
      • threat
        • 2.Se8#
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxf5+
        • 2.Sxf5#
      • 1...Qxc6+
        • 2.Qxc6#
      • 1...Qxc4+
        • 2.Sxc4#
      • 1...Qe5+
        • 2.fxe5#
      • 1...Qxe6
        • 2.Qb4#
      • 1...Bf7!
    • 1.Qd3+?
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qd4
        • 2.Sc4#
        • 2.Qxd4#
      • 1...Qxd3+!
    • 1.Qd4+?
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxd4!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sxe4#
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxf5+
        • 2.Sxf5#
      • 1...Qxc6+
        • 2.Qxc6#
      • 1...Qxc4+
        • 2.Sxc4#
      • 1...Qe5+
        • 2.fxe5#
      • 1...Qxf4
        • 2.Qd5#
      • 1...Qxe6
        • 2.Qb4#
      • 1...Qd3
        • 2.Qxd3#
      • 1...Qf3
        • 2.Qb4#
      • 1...Qd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(e);N_GUARD,P_PINQ(B)::QAR(B),XQ(e)
    • Q(e);N_GUARD::QAB(B)
    • Q(e);CHECK,N_GUARD::QAR1(B),XQ(e)
    • Q(e);CHECK,OGATE,XB(G)::QAR1(B),XQ(e)
    • Q(e);CHECK,XQ(B)::S(A),XQ(e)
    • Q(e);N_GUARD::QAR2(B),XQ(e)
    • Q(e);N_GUARD,XP(C)::QAR1(B)
    • Q(e);CHECK,OGATE::P(C),XQ(e)
    • Q(e);N_GUARD,XP(H)::QAB(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • Q(e);CHECK,N_GUARD::QAR1(B),XQ(e)
        • Q(e);CHECK,XP(E)::S(F),XQ(e)
        • Q(e);CHECK,OGATE,XB(G)::QAR1(B),XQ(e)
        • Q(e);CHECK,XQ(B)::S(A),XQ(e)
        • Q(e);CHECK,OGATE::P(C),XQ(e)
        • Q(e);N_GUARD,XP(H)::QAB(B)
      • Refutation
        • B(i);
    • Try
      • Q(B);CHECK
      • Vars
        • Q(e);CHECK,N_GUARD,P_SPINQ(e)::QAR1(B),XQ(e)
      • Refutation
        • Q(e);CHECK,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • Q(e);CHECK,N_GUARD,P_SPINQ(e)::QAR1(B),XQ(e)
      • Refutation
        • Q(e);XQ(B)
  • Actual
    • S(F);
    • Threat
      • S(F),XQ(e)
    • Vars
      • Q(e);CHECK,N_GUARD::QAR1(B),XQ(e)
      • Q(e);CHECK,XP(E)::S(F),XQ(e)
      • Q(e);CHECK,OGATE,XB(G)::QAR1(B),XQ(e)
      • Q(e);CHECK,XQ(B)::S(A),XQ(e)
      • Q(e);CHECK,OGATE::P(C),XQ(e)
      • Q(e);N_GUARD,XP(C)::QAR1(B)
      • Q(e);N_GUARD,XP(H)::QAB(B)
      • Q(e);N_GUARD,P_PINQ(B)::QAR(B),XQ(e)
      • Q(e);N_GUARD::QAB(B)
      • Q(e);N_GUARD::QAR2(B),XQ(e)
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