MESON Chess Problem Database

Problem Display
PID: 96608 (4n3/3QBp1K/3P1Pp1/3bk1P1/2p1N3/r1P1R2n/3PNPR1/1Bb5 w - - 0 1)

Nesic, Milivoj S

Problemas, 1981

4n3/3QBp1K/3P1Pp1/3bk1P1/2p1N3/r1P1R2n/3PNPR1/1Bb5

#2

14 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg1
      • 2.f4#
    • 1...Sxg5+
      • 2.Rxg5#
    • 1...Sxd6
      • 2.Bxd6#
    • 1...Sxf6+
      • 2.Bxf6#
  • Keys
    • 1.Qb5!
      • threat
        • 2.S4g3#
      • 1...Sxg5+
        • 2.Sxg5#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Kf5
        • 2.Qxd5#
      • 1...Ke6
        • 2.Sc5#
      • 1...Rxc3
        • 2.S4xc3#
      • 1...Bxd2
        • 2.Sxd2#
      • 1...Sxf2
        • 2.Sxf2#
      • 1...Sxd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(c);N_GUARD::P(D)
    • S(c);CHECK,OGATE,XP(I)::R(E),XS(c)
    • S(i);OGATE,XP(J)::B(M),XS(i)
    • S(i);CHECK,OGATE,XP(K)::B(M),XS(i)
  • Actual
    • Q(L);P_PINB(e)
    • Threat
      • R(G)+S(H)
    • Vars
      • S(c);CHECK,XP(I)::R(G)+S(H),XS(c)
      • S(i);CHECK,XP(K)::R(G)+S(H),XS(i)
      • K(f);P-FLIGHT::QAR2(L),XB(e)
      • K(f);N_SPINB(e),P-FLIGHT::R(G)+S(H),DCHECK
      • R(b);XP(F)::R(G)+S(H),XR(b)
      • B(a);XP(B)::R(G)+S(H),XB(a)
      • S(c);XP(D)::R(G)+S(H),XS(c)
      • S(i);XP(J)::R(G)+S(H),XS(i)
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