MESON Chess Problem Database

Problem Display
PID: 148696 (8/8/3pN3/3P2p1/K1k1B1Q1/4rP2/2P1p3/1N2B3 w - - 0 1)

Dawson, Thomas Rayner

Falkirk Herald, 1914

(First published on Wed Jan 28 1914)

8/8/3pN3/3P2p1/K1k1B1Q1/4rP2/2P1p3/1N2B3

#2

9 + 5

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3+
      • 2.Sxa3#
    • 1...Rb3
      • 2.cxb3#
    • 1...Rc3
      • 2.Sd2#
    • 1...Rd3
      • 2.cxd3#
    • 1...Rxf3
      • 2.Bxf3#
    • 1...Rxe4
      • 2.Qxe4#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Bd3#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...Rd3
        • 2.Bxd3#
        • 2.cxd3#
      • 1...Rxc3!
    • 1.Bf5+?
      • 1...Re4
        • 2.Qxe4#
      • 1...Kxd5!
    • 1.Bg6+?
      • 1...Re4
        • 2.Qxe4#
      • 1...Kxd5!
    • 1.Bh7+?
      • 1...Re4
        • 2.Qxe4#
      • 1...Kxd5!
    • 1.Qxg5?
      • 1...Ra3+
        • 2.Sxa3#
      • 1...Rxe4
        • 2.Sa3#
      • 1...Rb3
        • 2.cxb3#
      • 1...Rc3
        • 2.Sd2#
      • 1...Rd3
        • 2.Bxd3#
        • 2.cxd3#
      • 1...Rxf3!
  • Keys
    • 1.c3!
      • threat
        • 2.Sa3#
      • 1...Rxc3
        • 2.Sd2#
      • 1...Rxe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(b);CHECK,N_GUARD::S(A),XR(b)
    • R(b);OGATE::P(C),XR(b)
    • R(b);SBLOCK::S(A)
    • R(b);OGATE,XP(D)::QAR(G)+B(F),XR(b)
    • R(b);OGATE,P_SPINR(b),XB(F)::QAR2(G),XR(b)
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR(G)+B(F),DCHECK
      • Vars
        • R(b);OGATE,P_SPINR(b),XB(F)::QAR2(G),XR(b)
      • Refutation
        • R(b);XS(A)
    • Try
      • B(F);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR2(G),XR(b)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
    • Try
      • B(F);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR2(G),XR(b)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
    • Try
      • B(F);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR2(G),XR(b)
      • Refutation
        • K(c);S_FLIGHT,XP(H)
    • Try
      • Q(G);XP(d)
      • Vars
        • R(b);CHECK,N_GUARD::S(A),XR(b)
        • R(b);N_GUARD,XB(F)::S(A)
        • R(b);OGATE::P(C),XR(b)
        • R(b);SBLOCK::S(A)
      • Refutation
        • R(b);XP(D)
  • Actual
    • P(C);
    • Threat
      • S(A)
    • Vars
      • R(b);SBLOCK,XP(C)::S(A)
      • R(b);OGATE,P_SPINR(b),XB(F)::QAR2(G),XR(b)
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