MESON Chess Problem Database

Problem Display
PID: 42025 (8/8/1PNK4/2p5/P1k5/b1N2R2/2P1p3/8 w - - 0 1)

Dawson, Thomas Rayner

Reading Observer, 1911

(First published on Sat Dec 2 1911)

8/8/1PNK4/2p5/P1k5/b1N2R2/2P1p3/8

#2

7 + 4

3979 Systematic Terminology 1984
15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sxe2?
      • threat
        • 2.Rc3#
        • 2.Rf4#
      • 1...Bc1
        • 2.Rc3#
      • 1...Bb4
        • 2.Se5#
        • 2.Rf4#
      • 1...Bb2!
    • 1.Sb5?
      • threat
        • 2.Sxa3#
        • 2.Rc3#
        • 2.Rf4#
      • 1...e1Q
        • 2.Sxa3#
      • 1...e1B
        • 2.Sxa3#
        • 2.Rf4#
      • 1...e1R
        • 2.Sxa3#
        • 2.Rc3#
      • 1...Bc1
        • 2.Rc3#
      • 1...Bb4
        • 2.Se5#
        • 2.Rf4#
      • 1...Bb2!
    • 1.Sa5+?
      • 1...Kd4
        • 2.Rd3#
      • 1...Kb4!
    • 1.Se5+?
      • 1...Kd4
        • 2.Rd3#
      • 1...Kb4!
  • Keys
    • 1.Sb1!
      • threat
        • 2.Sd2#
        • 2.Sxa3#
        • 2.Rc3#
        • 2.Rf4#
      • 1...e1Q
        • 2.Sxa3#
      • 1...e1B
        • 2.Sxa3#
        • 2.Rf4#
      • 1...e1R
        • 2.Sd2#
        • 2.Sxa3#
        • 2.Rc3#
      • 1...Bc1
        • 2.Rc3#
      • 1...Bb2
        • 2.Sd2#
      • 1...Bb4
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::R1(C)
      • Refutation
        • B(b);
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::S(B),XB(b)
        • B(b);::R1(C)
      • Refutation
        • B(b);
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(4)
    • Vars
      • P(a);::S(B),XB(b)
      • B(b);::R1(C)
      • B(b);::S(B)
      • B(b);::R(C)
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