MESON Chess Problem Database

Problem Display
PID: 151992 (8/b4p2/q1Bp1P1K/4P3/R3N1kp/1b1rp2p/7P/1QBN1R2 w - - 0 1)

Einat, Paz

The Problemist, 2013

8/b4p2/q1Bp1P1K/4P3/R3N1kp/1b1rp2p/7P/1QBN1R2

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd1
      • 2.Sf2#
    • 1...Rd2
      • 2.Sef2#
    • 1...Rc3
      • 2.Sef2#
    • 1...Rd4
      • 2.Sxe3#
    • 1...Rd5
      • 2.Bd7#
    • 1...Bxd1
      • 2.Bd7#
    • 1...Bc2
      • 2.Bd7#
    • 1...e2
      • 2.Rf4#
  • Tries
    • 1.Sxe3+?
      • 1...Rxe3
        • 2.Sf2#
      • 1...Bxe3+!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe2#
      • 1...Rxd1
        • 2.Sf2#
      • 1...Bxc2
        • 2.Bd7#
      • 1...Rd2
        • 2.Sef2#
      • 1...Rc3
        • 2.Sef2#
      • 1...Rd4
        • 2.Sxe3#
      • 1...Rd5
        • 2.Bd7#
      • 1...e2
        • 2.Rf4#

This is a version of 149735

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(b);XS(C)::R(F)+S(G),DCHECK
    • R(b);::R(F)+S(G),DCHECK
    • R(b);N_GUARD,S_CUTB(i)::S(C),XP(c)
    • R(b);S_CUTB(a)::B(I)
    • B(a);N_GUARD,XS(C)::B(I)
    • B(a);N_GUARD::B(I)
    • P(c);::R1(D)
  • Tries
    • Try
      • S(C);CHECK,XP(c)
      • Vars
        • R(b);XS(C)::R(F)+S(G),DCHECK
      • Refutation
        • B(i);CHECK,XS(C)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • R(b);XS(C)::R(F)+S(G),DCHECK
      • B(a);N_GUARD,XQ(A)::B(I)
      • R(b);::R(F)+S(G),DCHECK
      • R(b);N_GUARD,S_CUTB(i)::S(C),XP(c)
      • R(b);S_CUTB(a)::B(I)
      • P(c);::R1(D)
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