MESON Chess Problem Database

Problem Display
PID: 133613 (2Q3B1/6p1/1P3PP1/3pk1pp/3R3P/5P2/1P6/6K1 w - - 0 1)

Wright Wood, S (= Wood, SW)

The Field, 1961

(First published on Thu Sep 14 1961)

2Q3B1/6p1/1P3PP1/3pk1pp/3R3P/5P2/1P6/6K1

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qc3#
    • 1...Kd6
      • 2.Rxd5#
      • 2.Qc7#
    • 1...Kxf6
      • 2.Qe6#
  • Tries
    • 1.Ra4?
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qe6#
      • 1...d4!
    • 1.Rb4?
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qe6#
      • 1...d4!
    • 1.Re4+?
      • 1...Kd6
        • 2.Re6#
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qe6#
      • 1...dxe4!
    • 1.Rg4?
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qe6#
      • 1...hxg4!
    • 1.Rxd5+?
      • 1...Kxf6
        • 2.Qe6#
      • 1...Kf4!
  • Keys
    • 1.Qc1!
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qxg5#
      • 1...Kd6
        • 2.Rxd5#
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qxg5#
      • 1...gxh4
        • 2.Qf4#
      • 1...gxf6
        • 2.Rxd5#
      • 1...g4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XR(D)::QAB1(I)
    • K(b);S_FLIGHT,XP(G)::QAR1(I)
  • Tries
    • Try
      • R(D);
      • Threat
        • QAR1(I)
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • K(b);S_FLIGHT,XP(G)::QAR1(I)
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Threat
        • QAR1(I)
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • K(b);S_FLIGHT,XP(G)::QAR1(I)
      • Refutation
        • P(a);
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(G)::QAR1(I)
      • Refutation
        • P(a);XR(D)
    • Try
      • R(D);
      • Threat
        • QAR1(I)
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • K(b);S_FLIGHT,XP(G)::QAR1(I)
      • Refutation
        • P(d);XR(D)
    • Try
      • R(D);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT,XP(G)::QAR1(I)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(I);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(D)::QAB1(I)
      • K(b);P-FLIGHT::QAR1(I),XP(c)
      • K(b);S_FLIGHT,XP(G)::QAB1(I),XP(c)
      • P(c);N_GUARD,XP(E)::QAB1(I)
      • P(e);SBLOCK,XP(G)::R1(D),XP(a)
      • P(c);N_GUARD::QAB1(I)
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