MESON Chess Problem Database

Problem Display
PID: 226327 (1B6/2NK4/2P1P2N/8/1P1krp1R/1P2pR2/6Q1/2b2B2 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2004

1B6/2NK4/2P1P2N/8/1P1krp1R/1P2pR2/6Q1/2b2B2

#2

12 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qg7#
    • 1...Bb2
      • 2.Qxb2#
  • Tries
    • 1.Ba7+?
      • 1...Ke5
        • 2.Qg5#
        • 2.Qg7#
      • 1...Kc3!
  • Keys
    • 1.Rxe3!
      • threat
        • 2.Qxe4#
      • 1...Kxe3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qg7#
      • 1...Rxe3
        • 2.Sb5#
      • 1...Rxe6
        • 2.Sf5#
        • 2.Ba7#
      • 1...Bxe3
        • 2.Qb2#
      • 1...fxe3
        • 2.Qg7#
      • 1...Re5
        • 2.Rd3#
      • 1...f3
        • 2.Rhxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • K(c);S_FLIGHT::QAB(B)
    • B(a);N_GUARD::QAB(B),XB(a)
  • Tries
    • Try
      • B(L);CHECK
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
  • Actual
    • R(D);XP(b)
    • Threat
      • QAR1(B),XR(d)
    • Vars
      • K(c);S_FLIGHT,XR(D)::S(I)
      • K(c);P_SPINR(d),S_FLIGHT::QAB(B)
      • R(d);P_SPINP(e),SBLOCK,XR(D)::S(J)
      • B(a);N_GUARD,SBLOCK,XR(D)::QAB(B)
      • P(e);P_SPINR(d),SBLOCK,XR(D)::QAB(B)
      • R(d);P_SPINP(e),SBLOCK::R1(D)
      • P(e);OGATE,P_SPINR(d)::R1(F),XR(d)
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