MESON Chess Problem Database

Problem Display
PID: 236947 (8/2K4b/1p6/B3n3/1N3N2/1PR2P2/qQ1pPp2/2Rnkrb1 w - - 0 1)

Papack, Daniel

Variantim, 2019

8/2K4b/1p6/B3n3/1N3N2/1PR2P2/qQ1pPp2/2Rnkrb1

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Sxc2#
    • 1...Bg8
      • 2.Sc2#
    • 1...Sd3
      • 2.Sc2#
    • 1...Sg6
      • 2.Sc2#
      • 2.Sbd3#
    • 1...dxc1Q
      • 2.Sg2#
    • 1...dxc1S
      • 2.Sg2#
    • 1...dxc1B
      • 2.Sg2#
    • 1...dxc1R
      • 2.Sg2#
  • Tries
    • 1.e4?
      • threat
        • 2.Sc2#
        • 2.Re3#
      • 1...Qxb2
        • 2.Re3#
      • 1...Bxe4
        • 2.Re3#
      • 1...dxc1Q
        • 2.Sg2#
      • 1...dxc1S
        • 2.Sg2#
      • 1...dxc1B
        • 2.Sg2#
      • 1...dxc1R
        • 2.Sg2#
      • 1...Qb1
        • 2.Re3#
      • 1...Sd3
        • 2.Sc2#
        • 2.Sbxd3#
      • 1...Sc4
        • 2.Sc2#
        • 2.Sbd3#
      • 1...Sg4
        • 2.Sc2#
        • 2.Sbd3#
      • 1...Qxb3!
  • Keys
    • 1.Re3!
      • threat
        • 2.Sg2#
      • 1...dxc1Q+
        • 2.Sc2#
      • 1...dxc1R+
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(j);N_GUARD::S(G),XB(j)
    • B(j);N_GUARD::S(G)
    • S(h);S_CUTB(j)::S(G)
    • P(f);N_SPINS(a),P_PINR(E),XR(A)::S(H)
    • P(f);N_SPINS(a),XR(A)::S(H)
  • Tries
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);XQ(B)::R(E)
        • B(j);XP(C)::R(E)
        • P(f);N_SPINS(a),P_PINR(E),XR(A)::S(H)
        • P(f);N_SPINS(a),XR(A)::S(H)
        • Q(e);::R(E)
      • Refutation
        • Q(e);XP(D)
  • Actual
    • R(E);
    • Threat
      • S(H)
    • Vars
      • P(f);CHECK,N_SPINS(a),XR(A)::B(I)+S(G),DCHECK
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