MESON Chess Problem Database

Problem Display
PID: 242326 (1n1Q2KB/8/N3k1p1/6r1/b2pPb2/8/8/8 w - - 0 1)

Morra, Juan Carlos

Sachove umeni (Ceskoslovensky sach), 1956

1n1Q2KB/8/N3k1p1/6r1/b2pPb2/8/8/8

#2

5 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Sc5#
    • 1...Rg2
      • 2.Sc5#
    • 1...Rg3
      • 2.Sc5#
    • 1...Rg4
      • 2.Sc5#
    • 1...Rc5
      • 2.Sxc5#
    • 1...Re5
      • 2.Sc7#
    • 1...Bd7
      • 2.Qf6#
    • 1...Bc1
      • 2.Sc7#
    • 1...Bd2
      • 2.Sc7#
    • 1...Be3
      • 2.Sc7#
    • 1...Be5
      • 2.Sc5#
    • 1...Bc7
      • 2.Sxc7#
  • Keys
    • 1.Be5!
      • threat
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qe7#
      • 1...Rxe5
        • 2.Sc7#
      • 1...Bxe5
        • 2.Sc5#
      • 1...Bd7
        • 2.Qf6#
      • 1...Sd7
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(d);N_GUARD::S(B)
    • R(d);N_GUARD::S(B),XR(d)
    • R(d);S_CUTB(c)::S(B)
    • B(a);SBLOCK::QAR1(C)
    • B(c);N_GUARD::S(B)
    • B(c);S_CUTR(d)::S(B)
    • B(c);N_GUARD::S(B),XB(c)
  • Actual
    • B(E);
    • Threat
      • QAR1(C)
    • Vars
      • K(e);P-FLIGHT,XB(E)::QAR2(C)
      • R(d);SBLOCK,XB(E)::S(B)
      • B(c);SBLOCK,XB(E)::S(B)
      • B(a);SBLOCK::QAR1(C)
      • S(g);S_CUTB(a)::QAR2(C)
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