MESON Chess Problem Database

Problem Display
PID: 223120 (8/3QP3/2p2K2/2R2p2/2B2B2/2k2n2/3Rn3/8 w - - 0 1)

Cook, Eugene Beauharnais

Philadelphia Times, 1885

8/3QP3/2p2K2/2R2p2/2B2B2/2k2n2/3Rn3/8

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd2
      • 2.Qxd2#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qa3#
        • 2.Qa5#
      • 1...Kb4
        • 2.Qa5#
      • 1...Sxf4
        • 2.Qa5#
      • 1...Sc1
        • 2.Qa5#
      • 1...Sed4
        • 2.Qa5#
      • 1...Sfd4
        • 2.Qa5#
      • 1...Sxd2!
    • 1.Qb7?
      • threat
        • 2.Ba2#
        • 2.Bxe2#
        • 2.Bb3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
        • 2.Qb3#
      • 1...Sxf4
        • 2.Qb2#
      • 1...Sc1
        • 2.Bf1#
        • 2.Ba2#
        • 2.Be2#
        • 2.Bb3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
      • 1...Seg1
        • 2.Bf1#
        • 2.Ba2#
        • 2.Be2#
        • 2.Bb3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
        • 2.Qb3#
      • 1...Sg3
        • 2.Bf1#
        • 2.Ba2#
        • 2.Be2#
        • 2.Bb3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
        • 2.Qb3#
      • 1...Sed4
        • 2.Bf1#
        • 2.Ba2#
        • 2.Be2#
        • 2.Bb3#
        • 2.Bd3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
      • 1...Sfd4
        • 2.Ba2#
        • 2.Bxe2#
        • 2.Bb3#
        • 2.Bd3#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
        • 2.Qb2#
      • 1...Se5
        • 2.Qb2#
        • 2.Qb3#
      • 1...Sxd2!
    • 1.Qc7?
      • threat
        • 2.Qa5#
      • 1...Kb4
        • 2.Qa5#
      • 1...Sxd2!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qa5#
      • 1...Kb4
        • 2.Qa5#
      • 1...Sxd2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,XR(A)::QAB1(F),XS(c)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
        • S(a);XB(C)::QAB(F)
        • S(a);::QAB(F)
        • S(c);::QAB(F)
      • Refutation
        • S(c);XR(A)
    • Try
      • Q(F);
      • Threat
        • DUALS(10)
      • Vars
        • S(a);XB(C)::QAB1(F)
      • Refutation
        • S(c);XR(A)
    • Try
      • Q(F);
      • Threat
        • QAB(F)
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • S(c);XR(A)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • K(b);S_FLIGHT::QAB1(F)
      • S(c);OGATE,XR(A)::QAB1(F),XS(c)
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