MESON Chess Problem Database

Problem Display
PID: 67581 (6B1/2pK2B1/2pp4/P1kPP2R/Rb3Qp1/2N2p2/np6/3n3q w - - 0 1)

Novitski, Petr Adrinovich

Troll, 2002

6B1/2pK2B1/2pp4/P1kPP2R/Rb3Qp1/2N2p2/np6/3n3q

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Rc4#
      • 2.Qc4#
      • 2.Qd4#
    • 1...Bxc3
      • 2.Qc4#
    • 1...Bxa5
      • 2.Qd4#
    • 1...Sc1
      • 2.Qxb4#
    • 1...Sxc3
      • 2.Qxb4#
    • 1...dxe5
      • 2.Bf8#
  • Tries
    • 1.Rxb4?
      • threat
        • 2.Sa4#
        • 2.Rc4#
        • 2.Qc4#
        • 2.Qd4#
      • 1...Sdxc3
        • 2.Qc4#
        • 2.Qd4#
      • 1...Saxc3
        • 2.Qc4#
        • 2.Qd4#
      • 1...cxd5
        • 2.Sa4#
        • 2.Rb5#
        • 2.Qd4#
      • 1...dxe5
        • 2.Sa4#
        • 2.Bf8#
        • 2.Rc4#
        • 2.Qc4#
        • 2.Qf8#
      • 1...Qf1
        • 2.Sa4#
        • 2.Qd4#
      • 1...Qg1
        • 2.Sa4#
        • 2.Rc4#
        • 2.Qc4#
      • 1...Se3
        • 2.Sa4#
        • 2.Qd4#
      • 1...Sxb4!
    • 1.exd6?
      • threat
        • 2.Qd4#
      • 1...Bxc3
        • 2.Qc4#
      • 1...Saxc3
        • 2.Qxb4#
      • 1...Qg1
        • 2.dxc6#
      • 1...Sdxc3!
  • Keys
    • 1.dxc6!
      • threat
        • 2.Qc4#
      • 1...Bxa5
        • 2.Qd4#
      • 1...Qf1
        • 2.exd6#
      • 1...Se3
        • 2.Qxe3#
      • 1...d5
        • 2.Bf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(f);XS(A)::QAR1(C)
    • B(f);XP(D)::QAB1(C)
    • S(c);N_GUARD::QAB1(C),XB(f)
    • S(c);N_GUARD,XS(A)::QAB1(C),XB(f)
    • P(j);OGATEB,XP(F)::B(I)
  • Tries
    • Try
      • R(B);XB(f)
      • Threat
        • DUALS(4)
      • Refutation
        • S(c);XR(B)
    • Try
      • P(F);XP(j)
      • Threat
        • QAB1(C)
      • Vars
        • B(f);XS(A)::QAR1(C)
        • S(c);N_GUARD,XS(A)::QAB1(C),XB(f)
        • Q(b);N_GUARD::R(G)+P(E),XP(i)
      • Refutation
        • S(a);XS(A)
  • Actual
    • P(E);XP(i)
    • Threat
      • QAR1(C)
    • Vars
      • B(f);XP(D)::QAB1(C)
      • Q(b);N_GUARD::R(G)+P(F),XP(j)
      • S(a);N_GUARD::QAB(C),XS(a)
      • P(j);OGATEB::B(I)
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