MESON Chess Problem Database

Problem Display
PID: 62947 (2B3b1/pQ6/2NP4/r1bk4/1PNP4/p1RP2n1/K3Ppr1/8 w - - 0 1)

Mladenovic, Slobodan

Phenix, 1992

2B3b1/pQ6/2NP4/r1bk4/1PNP4/p1RP2n1/K3Ppr1/8

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4
      • 2.S6xa5#
      • 2.S6e5#
      • 2.Sxa7#
      • 2.Se7#
      • 2.Sb8#
      • 2.Sd8#
    • 1...Bxd6
      • 2.Se3#
    • 1...Sf1
      • 2.e4#
    • 1...Sh1
      • 2.e4#
    • 1...Sf5
      • 2.e4#
    • 1...Sh5
      • 2.e4#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Se3#
      • 1...Bxd4
        • 2.Se7#
      • 1...Sf1
        • 2.e4#
      • 1...Sf5
        • 2.e4#
      • 1...f1S!
    • 1.Qd7?
      • threat
        • 2.Se3#
      • 1...Bxd4
        • 2.Se7#
      • 1...Sf1
        • 2.e4#
      • 1...Sf5
        • 2.e4#
      • 1...f1S!
    • 1.Qf7+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...Bxf7!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Bxd6
        • 2.Se3#
      • 1...Sf5
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(f);SBLOCK,XP(I)::S(F)
    • S(d);N_GUARD::P(B)
  • Tries
    • Try
      • Q(J);
      • Threat
        • S(F)
      • Vars
        • B(f);SBLOCK,XP(G)::S(H)
        • S(d);N_GUARD::P(B)
      • Refutation
        • P(a);P_PINP(B)
    • Try
      • Q(J);
      • Threat
        • S(F)
      • Vars
        • B(f);SBLOCK,XP(G)::S(H)
        • S(d);N_GUARD::P(B)
      • Refutation
        • P(a);P_PINP(B)
    • Try
      • Q(J);CHECK
      • Vars
        • K(g);OGATEB,S_FLIGHT,XS(H)::QAB1(J)
      • Refutation
        • B(i);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • S(H)
    • Vars
      • K(g);OGATEB,P_PINS(F),S_FLIGHT,XS(H)::QAB1(J)
      • B(f);SBLOCK,XP(I)::S(F)
      • S(d);OGATE::QAB(J),XR(b)
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