MESON Chess Problem Database

Problem Display
PID: 48127 (2K5/8/7B/1Q6/2p5/k2bR3/5r2/1B6 w - - 0 1)

Mott-Smith, Geoffrey

The Chess Review, 1935

2K5/8/7B/1Q6/2p5/k2bR3/5r2/1B6

#2

5 + 4

268 Chess Life 1954
5064 100 Years of the American Two-move Chess Problem 1962
5063 Spectacular Chess Problems 1965
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Bf8#
    • 1...Rc2
      • 2.Bf8#
    • 1...Rd2
      • 2.Bf8#
    • 1...Re2
      • 2.Bf8#
    • 1...Rg2
      • 2.Bf8#
    • 1...Rh2
      • 2.Bf8#
    • 1...Rf8+
      • 2.Bxf8#
  • Tries
    • 1.Rxd3+?
      • 1...c3
        • 2.Rxc3#
      • 1...cxd3!
  • Keys
    • 1.Re6!
      • threat
        • 2.Ra6#
      • 1...Rf8+
        • 2.Bxf8#
      • 1...Rf6
        • 2.Bc1#
      • 1...Bc2
        • 2.Bc1#
      • 1...Bf5
        • 2.Bf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::B(D)
    • R(a);N_GUARD,SBLOCK::B(D)
    • R(a);CHECK,N_GUARD::B(D),XR(a)
  • Tries
    • Try
      • R(B);CHECK,XB(c)
      • Vars
        • P(d);P_SPINP(d)::R(B),XP(d)
      • Refutation
        • P(d);XR(B)
  • Actual
    • R(B);N_PINB(c)
    • Threat
      • R(B)
    • Vars
      • R(a);CHECK,N_GUARD::B(D),XR(a)
      • R(a);N_GUARD::B(D)
      • B(c);S_CUTR(a)::B(D)
      • B(c);P_PINR(B),S_CUTR(a)::B(D)
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