MESON Chess Problem Database

Problem Display
PID: 105367 (2bNnB2/3p4/R2r4/PPkqP2R/KpP5/br1PP3/B2n4/3QN3 w - - 0 1)

Bunka, Vladislav

Telescacco 92, 1996

2bNnB2/3p4/R2r4/PPkqP2R/KpP5/br1PP3/B2n4/3QN3

#2

14 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Rxe5#
  • Tries
    • 1.Bxd6+?
      • 1...Qxd6
        • 2.exd6#
      • 1...Sxd6!
    • 1.d4+?
      • 1...Kxc4
        • 2.Qc2#
      • 1...Qxd4!
  • Keys
    • 1.e6!
      • threat
        • 2.Rxd5#
      • 1...Qxh5
        • 2.Qxh5#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Sxc4
        • 2.d4#
      • 1...dxe6
        • 2.Rc6#
      • 1...Qe5
        • 2.Rxe5#
      • 1...Qf5
        • 2.Rxf5#
      • 1...Qg5
        • 2.Rxg5#
      • 1...Bb7
        • 2.Sxb7#
      • 1...Sf6
        • 2.Bxd6#
      • 1...Sc7
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • Q(f);OGATE,P_SPINQ(f),XP(J)::R(K),XQ(f)
  • Tries
    • Try
      • B(N);CHECK,XR(g)
      • Vars
        • Q(f);OGATE,XB(N)::R(K)+P(J),XQ(f)
      • Refutation
        • S(j);XB(N)
    • Try
      • P(D);CHECK
      • Vars
        • K(e);N_SPINR(g),P-FLIGHT,P_SPINR(c),XP(G)::QAR2(A)
      • Refutation
        • Q(f);XP(D)
  • Actual
    • P(J);P_PINQ(f)
    • Threat
      • R1(K),XQ(f)
    • Vars
      • Q(f);N_SPINQ(f),OGATE,XR(K)::QAR(A),XQ(f)
      • R(c);XP(D)::S(B),XR(c)
      • S(a);SBLOCK,XP(G)::P(D)
      • P(h);N_GUARD,XP(J)::R1(L)
      • Q(f);OGATEB::R(K),XQ(f)
      • B(i);N_GUARD::S(M),XB(i)
      • S(j);N_GUARD::B(N),XR(g)
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