MESON Chess Problem Database

Problem Display
PID: 30304 (7n/3QRP2/n1p2p1q/1bp2P2/3N1r1b/RBNk1p2/P1p5/4BK2 w - - 0 1)

Chepizhni, Viktor Ivanovich

1st Prize, The Problemist, 1982/I

7n/3QRP2/n1p2p1q/1bp2P2/3N1r1b/RBNk1p2/P1p5/4BK2

#2

11 + 12

3485 Sachova skladba 1985
3364 Solving in Style 1985
3752 FIDE Album (1980-1982) 1988
4640 Chess Wizardry: The New ABC of Chess Problems 1996
6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Sxf5#
    • 1...Bc4
      • 2.Bxc2#
    • 1...c4
      • 2.Bxc2#
  • Keys
    • 1.Se4!
      • threat
        • 2.Sxc2#
      • 1...Ke3+
        • 2.Bc4#
      • 1...Rxe4
        • 2.Be6#
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Sxf7
        • 2.Bxf7#
      • 1...cxd4
        • 2.Bd5#
      • 1...c1Q
        • 2.Sc2#
      • 1...c1S
        • 2.Sc2#
      • 1...c1B
        • 2.Sc2#
      • 1...c1R
        • 2.Sc2#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Bc4
        • 2.Bxc2#
      • 1...Sb4
        • 2.Sxc5#
      • 1...Sc7
        • 2.Sxc5#
      • 1...Sb8
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 1
  • Sets
    • R(d);XP(H)::QAR(I)+S(G),XR(d)
    • B(f);SBLOCK::B(E),XP(a)
    • P(g);SBLOCK::B(E),XP(a)
  • Actual
    • S(F);
    • Threat
      • QAR(I)+S(G),XP(a)
    • Vars
      • K(b);CHECK,P-FLIGHT::R(D)+B(E)
      • R(d);SBLOCK,XS(F)::R(D)+B(E)
      • R(d);XP(H)::QAR(I)+S(G),XR(d)
      • S(l);OGATE,XP(K)::R(D)+B(E),XS(l)
      • P(g);P_SPINP(g),SBLOCK,XS(G)::R(D)+B(E)
      • P(a);P_PINB(A)::QAR(I)+S(G)
      • P(a);::QAR(I)+S(G)
      • B(e);N_GUARD::S(F),XB(e)
      • B(f);SBLOCK::R(D)+B(E),DCHECK,XP(a)
      • S(h);N_GUARD::S(F),XP(g)
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