MESON Chess Problem Database

Problem Display
PID: 124414 (8/8/3B4/q2p2b1/RppkppR1/8/1PP2P1N/N2K3Q w - - 0 1)

Trump, Raymond

Milwaukee Journal, 1950

8/8/3B4/q2p2b1/RppkppR1/8/1PP2P1N/N2K3Q

#2

10 + 8

70 American Chess Problemist 1950
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Sxb3#
    • 1...f3
      • 2.Sxf3#
  • Tries
    • 1.Ke2?
      • threat
        • 2.Qd1#
      • 1...f3+
        • 2.Sxf3#
      • 1...b3
        • 2.Sxb3#
      • 1...e3
        • 2.fxe3#
      • 1...c3!
    • 1.c3+?
      • 1...Kd3
        • 2.Qf1#
      • 1...bxc3!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qd2#
      • 1...c3
        • 2.Qxc3#
      • 1...e3
        • 2.Qxe3#
      • 1...b3
        • 2.Sxb3#
      • 1...f3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);P_SPINP(b)::S(A),XP(a)
    • P(e);P_SPINP(d)::S(G),XP(e)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR(C)
      • Vars
        • P(e);CHECK,P_SPINP(d)::S(G),XP(e)
        • P(a);P_SPINP(b)::S(A),XP(a)
        • P(d);OGATE,P_SPINP(e)::P(F),XP(d)
      • Refutation
        • P(b);P_SPINP(a)
    • Try
      • P(E);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB(C)
      • Refutation
        • P(a);P_SPINP(b),XP(E)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • P(b);P_SPINP(a)::QAB1(C),XP(b)
      • P(d);P_SPINP(e)::QAB1(C),XP(d)
      • P(a);P_SPINP(b)::S(A),XP(a)
      • P(e);P_SPINP(d)::S(G),XP(e)
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