MESON Chess Problem Database

Problem Display
PID: 232810 (1r1r1b2/2B5/3n1p2/1p3pp1/1p1k1p2/1B1P1P2/2KQR3/8 w - - 0 1)

Kichigin, Viktor Vladimirovich

Freie Presse, 1980

1r1r1b2/2B5/3n1p2/1p3pp1/1p1k1p2/1B1P1P2/2KQR3/8

#2

7 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Bxb6#
    • 1...Ra8
      • 2.Bb6#
  • Keys
    • 1.Re5!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.d4#
      • 1...fxe5
        • 2.Qf2#
      • 1...Sc4
        • 2.dxc4#
      • 1...Se4
        • 2.dxe4#
      • 1...Sb7
        • 2.Qf2#
      • 1...Sf7
        • 2.Qf2#
      • 1...Sc8
        • 2.Qf2#
      • 1...Se8
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • R(i);N_GUARD::B(G),XR(i)
    • R(i);N_GUARD::B(G)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(b);OGATE,P_SPINS(g),S_FLIGHT,XR(C)::P(E)
      • P(h);SBLOCK,XR(C)::QAB(B)
      • S(g);OGATE::QAR(B)+P(E),XS(g)
      • S(g);::QAB(B)
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