MESON Chess Problem Database

Problem Display
PID: 64011 (7B/1RK5/2P1p3/2k1rP2/1Nr1p1Q1/2pB4/2RP1N2/b3q2b w - - 0 1)

Clark, WA

2nd Prize, The Chess Monthly (Hoffer), 1891-1895

7B/1RK5/2P1p3/2k1rP2/1Nr1p1Q1/2pB4/2RP1N2/b3q2b

#2

11 + 9

5669 Tidsskrift for Skak 1895
187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Rb5#
    • 1...Rd5
      • 2.Sa6#
    • 1...cxd2
      • 2.Rxc4#
    • 1...exd3
      • 2.Sfxd3#
    • 1...e3
      • 2.Qxc4#
  • Tries
    • 1.Rb5+?
      • 1...Kd4
        • 2.Bxe5#
      • 1...Kxb5!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qxe5#
      • 1...Rxf5
        • 2.Qd6#
      • 1...cxd2
        • 2.Rxc4#
      • 1...exd3
        • 2.Sfxd3#
      • 1...Rd4
        • 2.Rb5#
      • 1...Rd5
        • 2.Sa6#
      • 1...e3
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);P_SPINP(d),SBLOCK::R1(I)
    • R(h);SBLOCK::S(E)
    • P(d);OGATE,P_SPINR(e),XP(B)::R1(A),XR(e)
    • P(f);XB(D)::S(C),XP(f)
    • P(f);OGATE::QAR1(F),XR(e)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(g);P_PINP(H),P_SPINP(f),P_SPINR(h),S_FLIGHT::B(K),XR(h)
      • Refutation
        • K(g);P-FLIGHT,P_PINP(H),P_SPINR(e),XR(I)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XR(h)
    • Vars
      • K(g);P_PINP(H),P_SPINP(f),P_SPINR(h),S_FLIGHT::QAB1(F),XR(h)
      • R(h);OGATE,XP(G)::QAB1(F)
      • P(d);OGATE,P_SPINR(e),XP(B)::R1(A),XR(e)
      • P(f);XB(D)::S(C),XP(f)
      • R(e);P_SPINP(d),SBLOCK::R1(I)
      • R(h);SBLOCK::S(E)
      • P(f);OGATE::QAR1(F),XR(e)
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