MESON Chess Problem Database

Problem Display
PID: 178512 (Kb2R3/7Q/2Np4/3krNRB/1Pp5/2p3P1/4nP2/3n3b w - - 0 1)

Marysko, Milos

Busmen's Chess Review, 1965

Kb2R3/7Q/2Np4/3krNRB/1Pp5/2p3P1/4nP2/3n3b

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Se3#
    • 1...Kxc6
      • 2.Qb7#
    • 1...Re6
      • 2.Sfe7#
  • Tries
    • 1.Se3+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...Sxe3!
    • 1.Bf3+?
      • 1...Re4
        • 2.Sfd4#
      • 1...Bxf3!
    • 1.Bf7+?
      • 1...Ke4
        • 2.Sfd4#
        • 2.Sh4#
      • 1...Re6
        • 2.Sfd4#
        • 2.Sfe7#
        • 2.Qxh1#
      • 1...Kxc6!
    • 1.Rxe5+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...dxe5!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Sfe7#
      • 1...Ke4
        • 2.Se3#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Rxf5
        • 2.Qxh1#
      • 1...Re7
        • 2.Sfxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(f);P_SPINR(g),S_FLIGHT::QAB(H)+S(D)
    • K(f);OGATEB,S_FLIGHT,XS(G)::QAB1(H)
    • R(g);SBLOCK::R(E)+S(D),DCHECK
  • Tries
    • Try
      • S(D);CHECK,P_PINR(g)
      • Vars
        • K(f);N_SPINR(g),S_FLIGHT,XS(G)::QAB1(H)
      • Refutation
        • S(a);XS(D)
    • Try
      • B(F);CHECK
      • Vars
        • R(g);P_SPINR(g),S_CUTB(b)::R(E)+S(D)
      • Refutation
        • B(b);XB(F)
    • Try
      • B(F);CHECK
      • Refutation
        • K(f);S_FLIGHT,XS(G)
    • Try
      • R(J);CHECK,XR(g)
      • Vars
        • K(f);S_FLIGHT,XS(G)::QAB1(H)
      • Refutation
        • P(h);XR(J)
  • Actual
    • B(F);
    • Threat
      • S(D)
    • Vars
      • K(f);P_SPINR(g),S_FLIGHT::QAB(H)+S(D)
      • K(f);OGATEB,S_FLIGHT,XS(G)::QAB1(H)
      • R(g);N_GUARD,P_SPINR(g),XS(D)::QAB(H),XB(b)
      • R(g);::R(E)+S(D),DCHECK,XR(g)
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