MESON Chess Problem Database

Problem Display
PID: 58914 (3nrr2/1b6/8/6b1/1BBP4/1KPp3R/1nPk2NQ/R5N1 w - - 0 1)

Ellerman, Arnoldo

1st Prize, Problemnoter, 1962

3nrr2/1b6/8/6b1/1BBP4/1KPp3R/1nPk2NQ/R5N1

#2

11 + 8

6230 Ajedrez Artistico 1968
3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rxd3#
    • 1...Sa4
      • 2.Rxd3#
    • 1...Sxc4
      • 2.Rxd3#
  • Tries
    • 1.Se3+?
      • 1...Rf2
        • 2.Sf1#
        • 2.Qxf2#
      • 1...Bg2!
    • 1.Bd5?
      • threat
        • 2.c4#
      • 1...Be7
        • 2.Sf4#
      • 1...Sd1
        • 2.Rxd3#
      • 1...Sa4
        • 2.Rxd3#
      • 1...Sc4
        • 2.Rxd3#
      • 1...Sc6!
    • 1.Be6?
      • threat
        • 2.c4#
      • 1...Sd1
        • 2.Rxd3#
      • 1...Sa4
        • 2.Rxd3#
      • 1...Sc4
        • 2.Rxd3#
      • 1...Sc6
        • 2.Sf4#
      • 1...Be7!
  • Keys
    • 1.Bf7!
      • threat
        • 2.c4#
      • 1...Be7
        • 2.Qf4#
      • 1...Sd1
        • 2.Rxd3#
      • 1...Sa4
        • 2.Rxd3#
      • 1...Sc4
        • 2.Rxd3#
      • 1...Sc6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(H),XP(c)
    • S(a);N_GUARD,XB(J)::R1(H),XP(c)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • B(e);P_SPINB(e)
    • Try
      • B(J);
      • Threat
        • B(I)+P(G)
      • Vars
        • B(d);S_CUTR(g)::QAR(E)+S(D)
        • S(a);N_GUARD::R1(H),XP(c)
      • Refutation
        • S(f);
    • Try
      • B(J);
      • Threat
        • B(I)+P(G)
      • Vars
        • S(a);N_GUARD::R1(H),XP(c)
        • S(f);S_CUTB(e)::QAR(E)+S(D)
      • Refutation
        • B(d);
  • Actual
    • B(J);
    • Threat
      • B(I)+P(G)
    • Vars
      • B(d);N_GUARD,S_CUTR(g)::QAB(E)
      • S(a);N_GUARD::R1(H),XP(c)
      • S(f);S_CUTB(e)::QAR(E)+S(D)
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