MESON Chess Problem Database

Problem Display
PID: 137918 (1B6/5QN1/2b5/1p1Pr1Rp/4k1p1/8/2N1Kn1b/1B6 w - - 0 1)

Mladenovic, Miodrag

8th Place, Liga Problemista, 1997/1

1B6/5QN1/2b5/1p1Pr1Rp/4k1p1/8/2N1Kn1b/1B6

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qxf5#
    • 1...Re6
      • 2.Qf5#
    • 1...Re7
      • 2.Qg6#
      • 2.Qf5#
    • 1...Re8
      • 2.Qg6#
      • 2.Qf5#
    • 1...Bg1
      • 2.Rxe5#
    • 1...g3
      • 2.Rxe5#
      • 2.Qf3#
  • Tries
    • 1.Rxg4+?
      • 1...Bf4
        • 2.Rxf4#
      • 1...Sxg4
        • 2.Qf3#
      • 1...hxg4!
    • 1.Qg6+?
      • 1...Kf4+
        • 2.Bxe5#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Kxd5+!
    • 1.Qxf2?
      • threat
        • 2.Sb4#
        • 2.Qd4#
      • 1...Rxd5
        • 2.Sd4#
        • 2.Qe3#
        • 2.Qg2#
      • 1...Bg1
        • 2.Sb4#
        • 2.Rxe5#
      • 1...b4
        • 2.Sxb4#
        • 2.Qd4#
      • 1...Kxd5+!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qd4#
      • 1...Kf4+
        • 2.Qe3#
      • 1...Kxd5+
        • 2.Se3#
      • 1...Rxd5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD::QAB1(F),XR(f)
    • R(f);N_GUARD::QAB1(F)
    • B(b);N_GUARD::R1(E),XR(f)
  • Tries
    • Try
      • R(E);CHECK,XP(d)
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::R1(E),XB(b)
        • S(a);XR(E)::QAB1(F)
      • Refutation
        • P(g);XR(E)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);CHECK,P-FLIGHT,P_SPINR(f)::B(H),XR(f)
        • R(f);N_GUARD,P_SPINR(f)::QAB1(F),XR(f)
      • Refutation
        • K(c);CHECK,P_SPINR(f),S_FLIGHT,XP(D)
    • Try
      • Q(F);XS(a)
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);CHECK,P_SPINR(f),S_FLIGHT,XP(D)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • K(c);CHECK,P-FLIGHT,P_SPINR(f)::QAB1(F)
      • K(c);CHECK,P_SPINR(f),S_FLIGHT,XP(D)::S(B)
      • R(f);XP(D)::QAR1(F)
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