MESON Chess Problem Database

Problem Display
PID: 137546 (2Bn4/3r1r1p/R5NK/RN6/1P2k3/3p1pB1/3Q4/8 w - - 0 1)

Mihajloski, Zlatko

Liga Problemista, 1988/2

2Bn4/3r1r1p/R5NK/RN6/1P2k3/3p1pB1/3Q4/8

#2

9 + 7

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxd3#
    • 1...Kf5
      • 2.Qf4#
    • 1...Rd4
      • 2.Sc3#
    • 1...Rd5
      • 2.Qe1#
  • Tries
    • 1.Sd6+?
      • 1...Kd4
        • 2.Bf2#
        • 2.Be5#
      • 1...Rxd6!
    • 1.Rd6?
      • threat
        • 2.Sc3#
        • 2.Qxd3#
      • 1...Kf5
        • 2.Qf4#
      • 1...f2
        • 2.Qxd3#
      • 1...Rc7
        • 2.Rd4#
        • 2.Qe1#
        • 2.Qxd3#
      • 1...Rxd6!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Sa3#
        • 2.Sd6#
        • 2.Qd4#
        • 2.Qxd3#
      • 1...Kf5
        • 2.Qf4#
        • 2.Qxf3#
      • 1...Kxe3!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Sa3#
        • 2.Sc3#
        • 2.Sa7#
        • 2.Sc7#
        • 2.Qd4#
      • 1...Rxf4!
    • 1.Qf2?
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qxf3#
      • 1...Rc7
        • 2.Sd6#
        • 2.Qd4#
      • 1...d2!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Qxd3#
      • 1...Kf5
        • 2.Qf4#
      • 1...Rc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT::QAR2(A),XP(a)
    • K(c);P_SPINR(d),S_FLIGHT::QAR1(A)
    • R(d);SBLOCK::S(E)
    • R(d);SBLOCK::QAR(A)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • R(d);P_PINS(G),XS(E)
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P_SPINR(d),S_FLIGHT::QAR1(A)
        • P(b);::QAB1(A),XP(a)
      • Refutation
        • R(d);P_PINS(G),XR(F)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • R(e);XQ(A)
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
        • K(c);P_SPINP(b),P_SPINR(d),S_FLIGHT::QAR2(A),XP(b)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Threat
      • S(E)
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::QAR2(A),XP(a)
      • K(c);P_SPINR(d),S_FLIGHT::QAR1(A)
      • R(d);N_GUARD::S(E)
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