MESON Chess Problem Database

Problem Display
PID: 105530 (BrR1RBN1/Nb4Kn/6n1/1r1kp2p/1p1P4/b2PP3/2P4q/8 w - - 0 1)

Benedek, Attila

Vizugyi Chess Club, 1981

BrR1RBN1/Nb4Kn/6n1/1r1kp2p/1p1P4/b2PP3/2P4q/8

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rxc5#
    • 1...Rb6
      • 2.Rc5#
    • 1...Bc6
      • 2.Bxc6#
    • 1...Sf4
      • 2.Rxe5#
    • 1...Sg5
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...b3
      • 2.c4#
    • 1...exd4
      • 2.e4#
    • 1...e4
      • 2.dxe4#
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rd6#
      • 1...Bxc6
        • 2.Bxc6#
      • 1...Sgxf8
        • 2.Se7#
      • 1...Shxf8
        • 2.Sf6#
      • 1...exd4
        • 2.e4#
      • 1...Rb6
        • 2.Rc5#
      • 1...Rd8
        • 2.Rxd8#
      • 1...Se7
        • 2.Sxe7#
      • 1...b3
        • 2.c4#
      • 1...e4
        • 2.dxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::R1(H),XR(d)
    • R(d);N_GUARD::R1(H)
    • B(i);OGATE::B(G),XB(i)
    • S(h);N_GUARD,S_CUTQ(a)::R1(I),XP(f)
    • S(j);N_GUARD::S(K)
    • S(j);N_GUARD::S(K),XS(j)
    • P(c);N_GUARD::P(A)
    • P(f);SBLOCK,XP(D)::P(C)
    • P(f);OGATE::P(B),XP(f)
  • Actual
    • R(H);N_PINB(i)
    • Threat
      • R1(H)
    • Vars
      • B(i);OGATE,P_SPINB(i),XR(H)::B(G),XB(i)
      • S(h);N_GUARD,XB(J)::S(K)
      • S(j);N_GUARD,XB(J)::S(K)
      • P(f);SBLOCK,XP(D)::P(C)
      • R(d);N_GUARD::R1(H)
      • R(k);N_GUARD::R(I),XR(k)
      • S(h);N_GUARD::S(K),XS(h)
      • P(c);N_GUARD::P(A)
      • P(f);OGATE::P(B),XP(f)
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