MESON Chess Problem Database

Problem Display
PID: 153657 (6R1/6q1/8/4PpN1/4Bk1P/8/5P2/Q6K w - - 0 1)

Pearson, R

Cheltenham Examiner, 1890

(First published on Wed Apr 16 1890)

6R1/6q1/8/4PpN1/4Bk1P/8/5P2/Q6K

#2

8 + 3

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Bg2?
      • threat
        • 2.Qd4#
      • 1...Qxe5
        • 2.Sh3#
      • 1...Qa7
        • 2.Sh3#
        • 2.Se6#
      • 1...Qb7
        • 2.Sh3#
        • 2.Se6#
      • 1...Qd7
        • 2.Sh3#
      • 1...Kg4!
    • 1.Bd5?
      • threat
        • 2.Qd4#
      • 1...Qxe5
        • 2.Sh3#
      • 1...Qa7
        • 2.Sh3#
        • 2.Se6#
      • 1...Kg4!
    • 1.Bc6?
      • threat
        • 2.Qd4#
      • 1...Qxe5
        • 2.Sh3#
      • 1...Qa7
        • 2.Sh3#
        • 2.Se6#
      • 1...Qd7
        • 2.Sh3#
      • 1...Kg4!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Bb1#
        • 2.Bc2#
        • 2.Bg2#
        • 2.Bd3#
        • 2.Bf3#
        • 2.Bd5#
        • 2.Bc6#
        • 2.Bb7#
        • 2.Ba8#
      • 1...Kg4
        • 2.Bf3#
      • 1...Qxe5
        • 2.Sh3#
      • 1...Qxg5
        • 2.Bg2#
        • 2.Bd5#
        • 2.Bc6#
        • 2.Bb7#
        • 2.Ba8#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Qa7
        • 2.Sh3#
        • 2.Se6#
      • 1...Qb7
        • 2.Sh3#
        • 2.Se6#
        • 2.Bd5#
        • 2.Bc6#
        • 2.Bxb7#
      • 1...Qd7
        • 2.Sh3#
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR2(A)
      • Vars
        • Q(c);XP(F)::S(G)
        • Q(c);::S(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Threat
        • QAR2(A)
      • Vars
        • Q(c);XP(F)::S(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Threat
        • QAR2(A)
      • Vars
        • Q(c);XP(F)::S(G)
        • Q(c);::S(G)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(9)
    • Vars
      • K(a);P-FLIGHT::QAR(A)+B(D),DCHECK
      • Q(c);XP(F)::S(G)
      • P(b);OGATE,P_SPINP(b),XB(D)::QAR1(A),XP(b)
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