MESON Chess Problem Database

Problem Display
PID: 226819 (Q1b5/1N6/pqRP2K1/1P1p1P2/3bk3/5R1B/NnnP2PB/2r5 w - - 0 1)

Bennett, Frederick

Il Due Mosse, 1956

Q1b5/1N6/pqRP2K1/1P1p1P2/3bk3/5R1B/NnnP2PB/2r5

#2

13 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf5+
      • 2.Bxf5#
    • 1...Sd1
      • 2.d3#
    • 1...Sa4
      • 2.d3#
    • 1...Sc4
      • 2.d3#
  • Tries
    • 1.Rf4+?
      • 1...Ke5
        • 2.Rg4#
        • 2.Rh4#
      • 1...Kd3!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Sc3#
      • 1...Qxd6+
        • 2.Sxd6#
      • 1...Bxf5+
        • 2.Bxf5#
      • 1...Sxc4
        • 2.d3#
      • 1...dxc4
        • 2.Sc5#
      • 1...Se3
        • 2.Rxe3#
      • 1...Qa5
        • 2.Sc5#
      • 1...Sd1
        • 2.d3#
      • 1...Sa4
        • 2.d3#
      • 1...Sa1
        • 2.Re3#
      • 1...Se1
        • 2.Re3#
      • 1...Sa3
        • 2.Re3#
      • 1...Sb4
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(i);CHECK,OGATE,XP(H)::B(F),XB(i)
    • S(b);N_GUARD::P(B)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • R(I);P_PINB(d),P_SPINP(J)
    • Threat
      • S(A)
    • Vars
      • Q(h);CHECK,XP(J)::S(L),XQ(h)
      • B(i);CHECK,OGATE,XP(H)::B(F),XB(i)
      • S(b);N_GUARD,N_SPINB(d),XR(I)::P(B)
      • P(f);N_SPINB(d),XR(I)::QAB(M)+S(L),DCHECK
      • S(c);N_GUARD::R1(E),XS(c)
      • Q(h);N_GUARD,N_PINP(J)::S(L)
      • S(b);N_GUARD::P(B)
      • S(c);N_GUARD::R1(E)
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