MESON Chess Problem Database

Problem Display
PID: 241643 (7b/4Q3/8/1K1k4/7r/1N1Pp3/N3p3/8 w - - 0 1)

Mlynka, Karol

Pravda, 1970

7b/4Q3/8/1K1k4/7r/1N1Pp3/N3p3/8

#2

5 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sb4#
    • 1...Rh2
      • 2.Sb4#
    • 1...Rh3
      • 2.Sb4#
    • 1...Rb4+
      • 2.Sxb4#
    • 1...Rc4
      • 2.dxc4#
    • 1...Rd4
      • 2.Sc3#
    • 1...Re4
      • 2.dxe4#
    • 1...Rh5
      • 2.Sb4#
    • 1...Rh6
      • 2.Sb4#
    • 1...Rh7
      • 2.Sb4#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bd4
      • 2.Sb4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qc5#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Rxd4
        • 2.Sc3#
      • 1...Bxd4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(c);N_GUARD::S(A)
    • R(c);CHECK,N_GUARD::S(A),XR(c)
    • R(c);OGATE::P(C),XR(c)
    • R(c);S_CUTB(e)::S(A)
    • B(e);N_GUARD::S(A),XB(e)
    • B(e);S_CUTR(c)::S(A)
  • Actual
    • S(B);
    • Threat
      • QAR1(E)
    • Vars
      • K(d);P-FLIGHT,XS(B)::QAR2(E)
      • R(c);SBLOCK,XS(B)::S(A)
      • B(e);SBLOCK,XS(B)::S(A)
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