MESON Chess Problem Database

Problem Display
PID: 101997 (5q1Q/8/4rr2/R1n3P1/3Nk2P/1PB2N2/KP2pR2/7B w - - 0 1)

Cabral, Renato

Boletim da UBP, 1964

5q1Q/8/4rr2/R1n3P1/3Nk2P/1PB2N2/KP2pR2/7B

#2

12 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se1#
        • 2.Se5#
      • 1...Kd3
        • 2.Se1#
      • 1...Kf4
        • 2.Sh2#
        • 2.Se5#
      • 1...Kd5
        • 2.Se5#
      • 1...Kxf5
        • 2.Se5#
      • 1...Rxf5
        • 2.Qd4#
      • 1...e1Q
        • 2.Sxe1#
      • 1...e1S
        • 2.Sxe1#
      • 1...e1B
        • 2.Sxe1#
        • 2.Se5#
      • 1...e1R
        • 2.Sxe1#
      • 1...Re5
        • 2.Se1#
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(H);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);P_SPINS(c),S_FLIGHT::B(A)+S(G)
      • K(b);P_SPINS(c),S_FLIGHT,XS(H)::R(D)+S(G)
      • R(e);OGATE,SBLOCK,XS(H)::QAR1(L)
      • P(a);::B(A)+S(G),XQ(a)
      • P(a);::B(A)+S(G),XS(a)
      • P(a);::B(A)+S(G),XR(a)
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