MESON Chess Problem Database

Problem Display
PID: 104408 (8/P2p1r2/1n1P4/1Kp2b2/Rb2kN2/7p/2pnP1rB/Q2R1N1B w - - 0 1)

Mladenovic, Miodrag

Match: Netherlands - Yugoslavia, 1985

8/P2p1r2/1n1P4/1Kp2b2/Rb2kN2/7p/2pnP1rB/Q2R1N1B

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa4
      • 2.a8Q#
      • 2.a8B#
    • 1...Sc4
      • 2.a8Q#
      • 2.a8B#
    • 1...Sc8
      • 2.a8Q#
      • 2.a8B#
  • Tries
    • 1.Sxg2?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sdc4
        • 2.Sg3#
        • 2.Se1#
        • 2.Sge3#
        • 2.Sf4#
        • 2.Sh4#
      • 1...Sbc4
        • 2.a8Q#
        • 2.a8B#
      • 1...Re7!
    • 1.Sd3?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Sf3
        • 2.Sxc5#
      • 1...Sdc4
        • 2.Sf2#
      • 1...Sbc4
        • 2.a8Q#
        • 2.a8B#
      • 1...Re7!
    • 1.Sd5?
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Re7
        • 2.Sf6#
      • 1...Sf3
        • 2.Sc3#
      • 1...Sdc4
        • 2.Sg3#
      • 1...Sbc4!
    • 1.Bxg2+?
      • 1...Sf3
        • 2.Bxf3#
        • 2.exf3#
      • 1...hxg2!
    • 1.a8Q+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sxa8!
    • 1.a8B+?
      • 1...Sd5
        • 2.Bxd5#
      • 1...Sxa8!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Sf3
        • 2.Sxc5#
      • 1...Sdc4
        • 2.Sg5#
      • 1...Sbc4
        • 2.a8Q#
        • 2.a8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(i);N_GUARD,N_SPINB(e),XR(G)::P=Q
    • S(i);N_GUARD,N_SPINB(e)::P=Q
    • S(i);N_GUARD::P=Q
  • Tries
    • Try
      • S(H);XR(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(f);N_SPINB(e),P_SPINS(b),S_FLIGHT::QAR1(A)
        • S(b);::S(C)
        • S(i);N_GUARD,N_SPINB(e)::P=Q
      • Refutation
        • R(k);
    • Try
      • S(H);
      • Threat
        • QAR1(A)
      • Vars
        • K(f);N_SPINB(e),S_FLIGHT::QAR1(A)
        • S(b);N_SPINR(c)::S(H),XP(g)
        • S(b);N_SPINB(e)::S(H)
        • S(i);N_GUARD,N_SPINB(e)::P=Q
      • Refutation
        • R(k);
    • Try
      • S(H);
      • Threat
        • QAR1(A)
      • Vars
        • K(f);N_SPINB(e),P_SPINS(b),S_FLIGHT,XS(H)::QAR1(A)
        • R(k);N_GUARD::S(H)
        • S(b);N_SPINR(c)::S(H)
        • S(b);N_SPINB(e)::S(C)
      • Refutation
        • S(i);N_SPINB(e)
    • Try
      • B(D);CHECK,XR(c)
      • Refutation
        • P(d);XB(D)
    • Try
      • P(K);CHECK
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::QAB1(K),XS(i)
      • Refutation
        • S(i);XQ(K)
    • Try
      • P(K);CHECK
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::B(K),XS(i)
      • Refutation
        • S(i);XB(K)
  • Actual
    • S(H);
    • Threat
      • QAR1(A)
    • Vars
      • K(f);N_SPINB(e),P_SPINS(b),S_FLIGHT::QAR1(A)
      • S(b);N_SPINR(c)::S(H),XP(g)
      • S(b);N_SPINB(e)::S(H)
      • S(i);N_GUARD,N_SPINB(e)::P=Q
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