MESON Chess Problem Database

Problem Display
PID: 146826 (2B1R3/4qnn1/1P3b2/2RpkNp1/1K1N2r1/3P4/6P1/Q1B5 w - - 0 1)

Way, WA

Western Morning News and Mercury, 1928

(First published on Sat Apr 28 1928)

2B1R3/4qnn1/1P3b2/2RpkNp1/1K1N2r1/3P4/6P1/Q1B5

#2

11 + 8

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Sc2#
      • 2.Se2#
      • 2.Sf3#
      • 2.Sc6#
    • 1...Rg3
      • 2.Sc2#
      • 2.Se2#
      • 2.Sb3#
      • 2.Sf3#
      • 2.Sb5#
      • 2.Sc6#
    • 1...Rxd4+
      • 2.Qxd4#
  • Tries
    • 1.Rxe7+?
      • 1...Se6
        • 2.Rxe6#
      • 1...Bxe7!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sc4#
      • 1...Kf4
        • 2.Se2#
      • 1...Kd6
        • 2.Rxd5#
      • 1...Sd6
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(a);CHECK,OGATE,P_SPINR(a),XS(F)::QAB1(A),XR(a)
  • Tries
    • Try
      • R(K);CHECK,N_SPINR(G),XQ(f)
      • Vars
        • S(h);N_GUARD,P_SPINS(h)::R1(K),XS(h)
      • Refutation
        • B(e);P_PINR(G),XR(K)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • K(c);N_PINS(F),N_SPINP(b),N_SPINQ(f),S_FLIGHT::S(F)
      • K(c);N_PINR(G),N_SPINP(b),N_SPINQ(f),S_FLIGHT::R1(G),XP(b)
      • S(g);N_PINR(G),SBLOCK::S(H),XR(a)
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