MESON Chess Problem Database

Problem Display
PID: 76694 (8/8/pK1R4/8/p1kp4/8/1RP5/3N4 w - - 0 1)

Butwillo, Brother

The Tablet, 1944

(First published on Sat Apr 29 1944)

8/8/pK1R4/8/p1kp4/8/1RP5/3N4

#2

5 + 4

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.cxd3#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Rxa4#
      • 1...Kb4
        • 2.Rxd4#
      • 1...a3!
    • 1.Rb5?
      • threat
        • 2.Rc6#
      • 1...d3
        • 2.cxd3#
      • 1...axb5!
  • Keys
    • 1.c3!
      • threat
        • 2.Rxd4#
      • 1...Kd3
        • 2.Rxd4#
      • 1...dxc3
        • 2.Se3#
      • 1...d3
        • 2.Rb4#
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::P(C),XP(c)
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B),XP(a)
      • Vars
        • K(b);P-FLIGHT::R(E),XP(c)
      • Refutation
        • P(a);
    • Try
      • R(B);
      • Threat
        • R(E)
      • Vars
        • P(c);OGATE::P(C),XP(c)
      • Refutation
        • P(d);XR(B)
  • Actual
    • P(C);
    • Threat
      • R1(E),XP(c)
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::R1(E),XP(c)
      • P(c);N_GUARD,SBLOCK,XP(C)::S(A)
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