MESON Chess Problem Database

Problem Display
PID: 104344 (r3k3/p2ppnK1/3R4/2N5/4Q3/6B1/6B1/8 w - - 0 1)

Ilincic, Borislav

Nacionalno prvenstvo, 2003-2006

r3k3/p2ppnK1/3R4/2N5/4Q3/6B1/6B1/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Qxa8#
    • 1...Sg5
      • 2.Qxa8#
    • 1...Sh6
      • 2.Qxa8#
    • 1...Sh8
      • 2.Qxa8#
  • Tries
    • 1.Rxd7?
      • threat
        • 2.Qxe7#
      • 1...Se5
        • 2.Qxa8#
      • 1...e6
        • 2.Qxe6#
      • 1...e5!
    • 1.Qf5?
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...Rd8
        • 2.Qxf7#
      • 1...Se5
        • 2.Qf8#
      • 1...e6!
    • 1.Qc6?
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...dxc6
        • 2.Bxc6#
      • 1...Se5
        • 2.Qxa8#
      • 1...Rd8!
    • 1.Qb7?
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...Se5
        • 2.Qxa8#
      • 1...Rd8!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...dxe6
        • 2.Bc6#
      • 1...Rd8
        • 2.Qxf7#
      • 1...Se5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(d);N_GUARD,N_SPINP(c)::QAR(C),XR(e)
    • S(d);N_GUARD::QAR(C),XR(e)
  • Tries
    • Try
      • R(E);XP(b)
      • Threat
        • QAR1(C),XP(c)
      • Vars
        • S(d);N_GUARD,N_SPINP(c)::QAR(C),XR(e)
        • P(c);OGATEB::QAR2(C),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c)
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(b)
        • R(e);SBLOCK::QAB1(C),XS(d)
        • S(d);OGATE::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);N_PINP(c),P_PINP(b)
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(f);P-FLIGHT::QAR1(C),XP(b)
        • P(b);N_SPINP(b),OGATE,XQ(C)::B(A),XP(b)
        • S(d);N_GUARD::QAR(C),XR(e)
      • Refutation
        • R(e);
    • Try
      • Q(C);N_PINP(c)
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(b)
        • S(d);N_GUARD::QAR(C),XR(e)
      • Refutation
        • R(e);
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XP(b)
    • Vars
      • K(f);N_SPINP(c),P-FLIGHT,P_SPINP(b)::QAR1(C),XP(b)
      • P(b);N_SPINP(c),OGATEB,XQ(C)::B(A)
      • R(e);SBLOCK::QAB1(C),XS(d)
      • S(d);OGATE::QAR2(C)
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