MESON Chess Problem Database

Problem Display
PID: 48051 (2K5/3P4/2pN2N1/2pb1PQp/2PkP1nr/3P3p/1P2P2P/7B w - - 0 1)

Mladenovic, Slobodan

Die Schwalbe, 1987

2K5/3P4/2pN2N1/2pb1PQp/2PkP1nr/3P3p/1P2P2P/7B

#2

13 + 8

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Sxh2
      • 2.Qg1#
    • 1...Se3
      • 2.Qf6#
    • 1...Se5
      • 2.Qg1#
    • 1...Sf6
      • 2.Qg1#
    • 1...Sh6
      • 2.Qg1#
  • Tries
    • 1.exd5?
      • threat
        • 2.Qf4#
      • 1...Sxh2
        • 2.Qg1#
      • 1...Se3
        • 2.Qf6#
      • 1...Se5
        • 2.Qg1#
      • 1...Sf6
        • 2.Qg1#
      • 1...Sh6
        • 2.Qg1#
      • 1...Sf2!
    • 1.d8Q?
      • 1...Bxc4
        • 2.Sxc4#
        • 2.Sb5#
      • 1...Bxe4
        • 2.Sxe4#
        • 2.Sb5#
      • 1...Sxh2
        • 2.Qdf6#
        • 2.Qg1#
        • 2.Qh8#
      • 1...Sf2
        • 2.Qdf6#
        • 2.Qh8#
      • 1...Bf7
        • 2.Sb5#
        • 2.Sxf7#
      • 1...Bg8
        • 2.Sb5#
        • 2.Sf7#
      • 1...Se3
        • 2.Qgf6#
        • 2.Qdf6#
        • 2.Qh8#
      • 1...Se5
        • 2.Qg1#
      • 1...Sf6
        • 2.Qdxf6#
        • 2.Qg1#
      • 1...Sh6
        • 2.Qdf6#
        • 2.Qg1#
        • 2.Qh8#
      • 1...Be6+!
    • 1.d8S?
      • 1...Be6+
        • 2.Sxe6#
      • 1...Bxc4
        • 2.Sxc6#
      • 1...Bxe4
        • 2.Se6#
      • 1...Sxh2
        • 2.Qg1#
      • 1...Bf7
        • 2.Sxc6#
      • 1...Bg8
        • 2.Sxc6#
      • 1...Se3
        • 2.Qf6#
      • 1...Se5
        • 2.Qg1#
      • 1...Sf6
        • 2.Qg1#
      • 1...Sh6
        • 2.Qg1#
      • 1...Sf2!
  • Keys
    • 1.Qf4!
      • threat
        • 2.exd5#
      • 1...Bxc4
        • 2.e5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Sxh2
        • 2.Qf2#
      • 1...Be6
        • 2.e5#
      • 1...Bf7
        • 2.e5#
      • 1...Bg8
        • 2.e5#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Se3
        • 2.Qe5#
      • 1...Se5
        • 2.Qf2#
      • 1...Sf6
        • 2.Qf2#
      • 1...Sh6
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,XP(D)::QAB(I)
    • S(c);N_GUARD,SBLOCK::QAB(I)
    • S(c);OGATE::QAB(I)
  • Tries
    • Try
      • P(G);XB(f)
      • Threat
        • QAR2(I)
      • Vars
        • S(c);OGATE,XP(D)::QAB(I)
        • S(c);N_GUARD,SBLOCK::QAB(I)
        • S(c);OGATE::QAB(I)
      • Refutation
        • S(c);
    • Try
      • P(L);
      • Vars
        • S(c);OGATE::QAB(I)
      • Refutation
        • B(f);CHECK
    • Try
      • P(L);
      • Vars
        • B(f);CHECK,N_GUARD::S(L),XB(f)
        • B(f);N_GUARD,XP(F)::S(L),XP(h)
        • B(f);N_GUARD,XP(G)::S(L)
        • S(c);OGATE,XP(D)::QAB(I)
        • B(f);N_GUARD::S(L),XP(h)
        • S(c);N_GUARD,SBLOCK::QAB(I)
        • S(c);OGATE::QAB(I)
      • Refutation
        • S(c);
  • Actual
    • Q(I);
    • Threat
      • QAR(I)+P(G),XB(f)
    • Vars
      • B(f);N_GUARD,XP(F)::QAR(I)+P(G)
      • B(f);OGATE,P_SPINB(f),XP(G)::QAR1(I),XB(f)
      • S(c);N_GUARD,XP(D)::QAB(I)
      • B(f);N_GUARD,P_PINP(L)::QAR(I)+P(G)
      • B(f);N_GUARD::QAR(I)+P(G)
      • S(c);N_GUARD::QAB(I),XS(c)
      • S(c);N_GUARD,SBLOCK::QAB1(I)
      • S(c);N_GUARD::QAB(I)
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