MESON Chess Problem Database

Problem Display
PID: 164927 (2BB1R2/6pR/1P5P/k1p5/p1P2p1b/P7/3P4/K3Q3 w - - 0 1)

Sardella, Giuseppe

Best Problems, 2016

2BB1R2/6pR/1P5P/k1p5/p1P2p1b/P7/3P4/K3Q3

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.d3#
      • 2.d4#
    • 1...Bf6+
      • 2.d4#
    • 1...Be7
      • 2.d3#
      • 2.d4#
    • 1...gxh6
      • 2.Ra7#
    • 1...g5
      • 2.Ra7#
    • 1...g6
      • 2.Ra7#
  • Tries
    • 1.Rxg7?
      • threat
        • 2.Ra7#
      • 1...Bf6+
        • 2.d4#
      • 1...Be7
        • 2.d3#
        • 2.d4#
      • 1...Bxd8!
    • 1.Rf7?
      • threat
        • 2.Ra7#
      • 1...Bf6+
        • 2.d4#
      • 1...Be7
        • 2.d3#
        • 2.d4#
      • 1...Bxd8!
    • 1.Qxh4?
      • 1...gxh6
        • 2.Ra7#
      • 1...g5
        • 2.Ra7#
      • 1...g6
        • 2.Ra7#
      • 1...f3!
    • 1.Qe5?
      • threat
        • 2.Qc3#
        • 2.Qxc5#
      • 1...Bxd8
        • 2.Qxc5#
      • 1...Bf2
        • 2.Qc3#
      • 1...Be7
        • 2.Qc3#
      • 1...Bf6!
    • 1.b7+?
      • 1...Ka6
        • 2.b8Q#
        • 2.b8B#
      • 1...Bxd8!
  • Keys
    • 1.Rf6!
      • threat
        • 2.b7#
      • 1...Bxf6+
        • 2.d4#
      • 1...gxf6
        • 2.Ra7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(c);CHECK,N_GUARD::QAB(B)+P(C)
    • P(f);OGATE,XP(G)::R(H)
    • P(f);OGATE::R(H)
  • Tries
    • Try
      • R(H);XP(f)
      • Threat
        • R(H)
      • Vars
        • B(c);CHECK,N_GUARD::QAB(B)+P(C)
      • Refutation
        • B(c);XB(J)
    • Try
      • R(K);
      • Threat
        • R(K)
      • Vars
        • B(c);CHECK,N_GUARD::QAB(B)+P(C)
      • Refutation
        • B(c);XB(J)
    • Try
      • Q(B);XB(c)
      • Vars
        • P(f);OGATE,XP(G)::R(H)
        • P(f);OGATE::R(H)
      • Refutation
        • P(b);
    • Try
      • Q(B);P_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(c);XB(J)::QAR2(B),XP(e)
        • B(c);::QAB(B)
      • Refutation
        • B(c);P_PINQ(B)
    • Try
      • P(F);CHECK
      • Vars
        • K(d);P-FLIGHT::P=Q
      • Refutation
        • B(c);XB(J)
  • Actual
    • R(K);
    • Threat
      • B(J)+P(F)
    • Vars
      • B(c);CHECK,N_GUARD,XR(K)::QAB(B)+P(C)
      • P(f);OGATE,XR(K)::R(H)
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