MESON Chess Problem Database

Problem Display
PID: 104504 (8/6n1/1p3pR1/3K1p2/3p4/5k2/1nQR2N1/6b1 w - - 0 1)

Nesic, Milivoj S

Tikhookeanski Komsomolets, 1985

8/6n1/1p3pR1/3K1p2/3p4/5k2/1nQR2N1/6b1

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Rxf2#
    • 1...Bh2
      • 2.Rf2#
    • 1...Sd1
      • 2.Qxd1#
    • 1...Sd3
      • 2.Qd1#
    • 1...Sa4
      • 2.Qd1#
    • 1...Sc4
      • 2.Qd1#
    • 1...Se8
      • 2.Qxf5#
    • 1...f4
      • 2.Qe4#
  • Tries
    • 1.Qd3+?
      • 1...Be3
        • 2.Qe2#
      • 1...Sxd3!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Kd6#
      • 1...Bh2
        • 2.Kxd4#
      • 1...Sc4
        • 2.Kxc4#
      • 1...Se8
        • 2.Ke6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::R1(B),XB(a)
    • B(a);N_GUARD::R1(B)
    • S(b);N_GUARD::QAB(A),XS(b)
    • S(b);N_GUARD::QAB(A)
    • S(h);N_GUARD::QAR2(A),XP(e)
    • P(e);N_GUARD::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);P_SPINB(a)::QAB1(A)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+K(D)
    • Vars
      • B(a);::QAB(A)+K(D),XP(d)
      • S(b);::QAB(A)+K(D),XS(b)
      • S(h);::QAB(A)+K(D)
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