MESON Chess Problem Database

Problem Display
PID: 10382 (5r2/8/1pQb4/1PprP3/pNkPN1BR/Kb4B1/PP2pP2/3q4 w - - 0 1)

Lipton, Michael

Comm., Castellari Festival (Boletim da UBP), 1964

5r2/8/1pQb4/1PprP3/pNkPN1BR/Kb4B1/PP2pP2/3q4

#2

13 + 10

3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2+?
      • 1...Kxd4
        • 2.Bf5#
      • 1...Qxd2!
    • 1.Sc3?
      • threat
        • 2.Qxd5#
      • 1...Kxd4
        • 2.Bf5#
      • 1...Qxd4
        • 2.Bxe2#
      • 1...Rxd4
        • 2.Be6#
      • 1...Qh1
        • 2.Bxe2#
      • 1...Rxe5!
    • 1.Sxd6+?
      • 1...Kxd4
        • 2.Bf5#
      • 1...Rxd6!
    • 1.Bxe2+?
      • 1...Kxd4
        • 2.Sf6#
      • 1...Qd3
        • 2.Sd2#
      • 1...Qxe2!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qxd5#
      • 1...Kxd4
        • 2.Sf6#
      • 1...Qxd4
        • 2.Sd2#
      • 1...Rxd4
        • 2.Sxd6#
      • 1...Rxe5
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(e);N_SPINP(f),P-FLIGHT,XP(G)::R(J)+B(I)
      • Refutation
        • Q(a);XS(H)
    • Try
      • S(H);
      • Threat
        • QAB1(M),XR(g)
      • Vars
        • K(e);N_SPINP(f),OGATEB,P-FLIGHT,XP(G)::R(J)+B(I)
        • Q(a);N_GUARD,XP(G)::B(I),XP(b)
        • R(g);OGATEB,XP(G)::B(I)
        • Q(a);N_GUARD::B(I),XP(b)
      • Refutation
        • R(g);XP(L)
    • Try
      • S(H);CHECK,XB(i)
      • Vars
        • K(e);N_SPINP(f),P-FLIGHT,XP(G)::R(J)+B(I)
      • Refutation
        • R(g);XS(H)
    • Try
      • B(I);CHECK,XP(b)
      • Vars
        • K(e);N_SPINP(f),P-FLIGHT,XP(G)::R(J)+S(H)
        • Q(a);P_SPINQ(a)::S(H)
      • Refutation
        • Q(a);XB(I)
  • Actual
    • B(I);
    • Threat
      • QAB1(M),XR(g)
    • Vars
      • K(e);N_SPINP(f),P-FLIGHT,XP(G)::R(J)+S(H)
      • Q(a);N_GUARD,XP(G)::S(H)
      • R(g);N_GUARD,XP(G)::S(H),XB(i)
      • R(g);N_GUARD,XP(L)::S(H),XB(i)
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