MESON Chess Problem Database

Problem Display
PID: 36839 (n3N1Kb/3pp3/1RppkppR/1P2p2P/8/3B4/4P1Q1/8 w - - 0 1)

Morse, Christopher Jeremy

The Problemist, 1955

n3N1Kb/3pp3/1RppkppR/1P2p2P/8/3B4/4P1Q1/8

#2

9 + 10

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Sxg7#
    • 1...Sxb6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...e4
      • 2.Qxe4#
  • Tries
    • 1.Qxc6?
      • threat
        • 2.Qc4#
      • 1...Sxb6
        • 2.Sc7#
      • 1...e4
        • 2.Qxe4#
      • 1...Sc7
        • 2.Sxc7#
      • 1...dxc6!
    • 1.Qg4+?
      • 1...Kd5
        • 2.Qc4#
      • 1...f5!
    • 1.Qxg6?
      • threat
        • 2.Qf7#
      • 1...e4
        • 2.Qxe4#
      • 1...Kd5!
  • Keys
    • 1.e4!
      • 1...Sxb6
        • 2.Sc7#
      • 1...cxb5
        • 2.Qa2#
      • 1...gxh5
        • 2.Qh3#
      • 1...c5
        • 2.Bc4#
      • 1...Bg7
        • 2.Sxg7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...d5
        • 2.exd5#
      • 1...f5
        • 2.exf5#
      • 1...g5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(j);N_GUARD::S(H),XB(j)
    • S(i);N_GUARD,XR(F)::S(H)
    • S(i);N_GUARD::S(H),XS(i)
    • P(a);OGATEB::QAR2(B),XP(a)
  • Tries
    • Try
      • Q(B);P_PINP(c),XP(b)
      • Threat
        • QAB(B)
      • Vars
        • S(i);N_GUARD,XR(F)::S(H)
        • P(a);OGATEB::QAR2(B),XP(a)
        • S(i);N_GUARD::S(H),XS(i)
      • Refutation
        • P(g);N_SPINP(c),XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(B)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • Q(B);P_PINP(e),XP(f)
      • Threat
        • QAB1(B)
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(d);N_SPINP(e),S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • S(i);N_GUARD,XR(F)::S(H)
      • P(b);P_SPINP(c),XP(D)::QAB(B)
      • P(f);P_SPINP(e),XP(E)::QAB(B)
      • P(b);P_SPINP(c)::B(C)
      • B(j);N_GUARD::S(H),XB(j)
      • S(i);N_GUARD::S(H),XS(i)
      • P(c);OGATE,P_SPINP(b)::P(A),XP(c)
      • P(e);OGATE,P_SPINP(f)::P(A),XP(e)
      • P(f);P_SPINP(e)::QAB(B)
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