MESON Chess Problem Database

Problem Display
PID: 66164 (KQb5/Rn1k2nr/1p1N2BR/3ppp2/4N2B/8/8/2r5 w - - 0 1)

Tura, Waldemar

1st HM., Sachove umeni (Ceskoslovensky sach), 1962

KQb5/Rn1k2nr/1p1N2BR/3ppp2/4N2B/8/8/2r5

#2

8 + 10

3713 Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qxc8#
    • 1...Ke6
      • 2.Bxf5#
    • 1...Ra1
      • 2.Qxc8#
    • 1...Rb1
      • 2.Qxc8#
    • 1...Rd1
      • 2.Qxc8#
    • 1...Re1
      • 2.Qxc8#
    • 1...Rf1
      • 2.Qxc8#
    • 1...Rg1
      • 2.Qxc8#
    • 1...Rh1
      • 2.Qxc8#
    • 1...Sh5
      • 2.Be8#
    • 1...Se6
      • 2.Be8#
    • 1...Se8
      • 2.Bxe8#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qd6#
      • 1...Kc6
        • 2.Be8#
      • 1...Ke6
        • 2.Qxc8#
      • 1...Se8
        • 2.Bxf5#

Anticipated by 55242(1962)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • K(g);N_SPINS(f),S_FLIGHT::QAR2(H),XB(j)
    • K(g);N_SPINS(f),S_FLIGHT::R(E)+B(D),DCHECK,XP(d)
    • R(a);N_GUARD,P_PINR(F)::QAB1(H),XB(j)
    • R(a);N_GUARD::QAB1(H),XB(j)
    • S(h);N_GUARD::B(D)
    • S(h);N_GUARD::B(D),XS(h)
  • Actual
    • S(C);
    • Threat
      • QAR1(H)
    • Vars
      • K(g);N_SPINS(f),S_FLIGHT::R(E)+B(D),DCHECK
      • K(g);N_SPINS(f),S_FLIGHT::QAB(H),XB(j)
      • S(h);N_GUARD,SBLOCK::B(D),XP(d)
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