MESON Chess Problem Database

Problem Display
PID: 243360 (8/3K2b1/8/2N5/6QN/4p3/1Ppk4/2rBr3 w - - 0 1)

Aschenazi, Marcel

Revista Romana de Sah, 1955

8/3K2b1/8/2N5/6QN/4p3/1Ppk4/2rBr3

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qe2#
    • 1...Rg1
      • 2.Qe2#
    • 1...Rh1
      • 2.Qe2#
    • 1...Re2
      • 2.Qxe2#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bh6
      • 2.Qd4#
    • 1...Bf8
      • 2.Qd4#
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qd3#
      • 1...Kxd1
        • 2.Qd3#
      • 1...Rcxd1
        • 2.Sb3#
      • 1...Rexd1
        • 2.Sf3#
      • 1...Ra1
        • 2.Qxc2#
      • 1...Rb1
        • 2.Qxc2#
      • 1...Rf1
        • 2.Qe2#
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh1
        • 2.Qe2#
      • 1...Re2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::QAR1(C)
    • R(b);N_GUARD::QAR1(C),XR(b)
    • B(f);N_GUARD::QAR2(C),XB(f)
    • B(f);N_GUARD::QAR2(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT,XB(A)::QAR2(C)
      • R(a);SBLOCK,XB(A)::S(E)
      • R(b);SBLOCK,XB(A)::S(D)
      • R(a);N_GUARD::QAR1(C),XP(c)
      • R(b);N_GUARD::QAR1(C)
      • R(b);N_GUARD::QAR1(C),XR(b)
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