MESON Chess Problem Database

Problem Display
PID: 154205 (3N4/b7/5p2/1K2k3/5R2/3pp1P1/7Q/7B w - - 0 1)

Ansell, George Kirkpatrick

Southern Counties' Chess Journal, 1894

3N4/b7/5p2/1K2k3/5R2/3pp1P1/7Q/7B

#2

6 + 5

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Rf5+?
      • 1...Kd4
        • 2.Qb2#
      • 1...Kxf5
        • 2.Qh5#
      • 1...Kd6!
    • 1.Qa2?
      • threat
        • 2.Sf7#
        • 2.Qd5#
        • 2.Qe6#
      • 1...f5
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qb2+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Kd6!
    • 1.Qh4?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Qe7#
      • 1...Kd6!
    • 1.Qh6?
      • threat
        • 2.Qxf6#
      • 1...f5
        • 2.Sc6#
        • 2.Sf7#
        • 2.Qe6#
      • 1...Kd6!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rd5#
      • 1...Kxd4
        • 2.Qb2#
      • 1...Kf5
        • 2.Qh5#
      • 1...Bxd4
        • 2.g4#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(B)
        • K(c);P-FLIGHT,XR(D)::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAB1(B),XB(e)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(d)
      • Vars
        • P(d);OGATE::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(d)
      • Refutation
        • K(c);P_SPINP(d),S_FLIGHT
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::QAB(B)
      • K(c);P-FLIGHT::QAR2(B)
      • B(e);SBLOCK,XR(D)::QAB(B)+P(C)
      • P(d);OGATEB,SBLOCK::QAB(B)
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