MESON Chess Problem Database

Problem Display
PID: 183605 (4rb2/2p3B1/6Q1/1Rpkp3/6R1/7B/4K3/8 w - - 0 1)

Greenwood, William M

British Chess Magazine, 1915

4rb2/2p3B1/6Q1/1Rpkp3/6R1/7B/4K3/8

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rd4+?
      • 1...Kxd4
        • 2.Qd3#
      • 1...exd4+!
  • Keys
    • 1.Rc4!
      • 1...Kxc4
        • 2.Qd3#
      • 1...Bxg7
        • 2.Rbxc5#
      • 1...Re6
        • 2.Qxe6#
      • 1...Bd6
        • 2.Qe4#
      • 1...Re7
        • 2.Rbxc5#
      • 1...Ra8
        • 2.Qe6#
      • 1...Rb8
        • 2.Qe6#
      • 1...Rc8
        • 2.Qe6#
      • 1...Rd8
        • 2.Qe6#
      • 1...Be7
        • 2.Qe6#
      • 1...e4
        • 2.Rd4#
      • 1...c6
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,P_SPINP(c),XR(C)::QAR1(E)
      • Refutation
        • P(c);CHECK,XR(C)
  • Actual
    • R(C);
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT,XR(C)::QAB1(E)
      • B(f);N_GUARD,XB(F)::R1(D),XP(a)
      • R(e);N_GUARD::QAB1(E),XR(e)
      • B(f);SBLOCK::QAB1(E)
      • R(e);S_CUTB(f)::R1(D),XP(a)
      • R(e);N_GUARD::QAB1(E)
      • B(f);S_CUTR(e)::QAB1(E)
      • P(c);N_GUARD::R1(C)
      • P(d);SBLOCK::QAR2(E)
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