MESON Chess Problem Database

Problem Display
PID: 178035 (8/8/4R3/N2n4/1nR4K/1Qqk1p2/3B4/bN6 w - - 0 1)

Musante, Horacio Luis

Busmen's Chess Review, 1964

8/8/4R3/N2n4/1nR4K/1Qqk1p2/3B4/bN6

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Rxe3#
    • 1...Sf4
      • 2.Re3#
    • 1...Sb6
      • 2.Re3#
    • 1...Sf6
      • 2.Re3#
    • 1...Sc7
      • 2.Re3#
    • 1...Se7
      • 2.Re3#
  • Keys
    • 1.Qd1!
      • threat
        • 2.Bxc3#
      • 1...Qd4+
        • 2.Bf4#
      • 1...Qf6+
        • 2.Bg5#
      • 1...Qh8+
        • 2.Bh6#
      • 1...Qxc4+
        • 2.Bf4#
      • 1...Qxd2
        • 2.Qxd2#
      • 1...Qb2
        • 2.Qf1#
      • 1...Qe5
        • 2.Bc1#
        • 2.Bf4#
        • 2.Bg5#
        • 2.Bh6#
      • 1...Qg7
        • 2.Bc1#
        • 2.Be1#
        • 2.Bc3#
        • 2.Be3#
        • 2.Bxb4#
        • 2.Bf4#
        • 2.Bg5#
        • 2.Bh6#
        • 2.Qf1#
      • 1...Qc1
        • 2.Bxc1#
      • 1...Qc2
        • 2.Qf1#
      • 1...Qa3
        • 2.Bc1#
        • 2.Be1#
        • 2.Bc3#
        • 2.Be3#
        • 2.Bxb4#
        • 2.Bf4#
        • 2.Bg5#
        • 2.Bh6#
        • 2.Qf1#
      • 1...Qb3
        • 2.Qf1#
      • 1...Se3
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 5
  • Sets
    • S(f);N_GUARD::R1(G),XS(f)
    • S(f);N_GUARD::R1(G)
  • Actual
    • Q(C);N_PINQ(b)
    • Threat
      • QAR(C)+B(B),XQ(b)
    • Vars
      • Q(b);CHECK,N_GUARD::QAR(C)+B(B)
      • Q(b);CHECK,N_GUARD,XR(D)::QAR(C)+B(B)
      • Q(b);OGATE,P_SPINQ(b),XB(B)::QAR1(C),XQ(b)
      • Q(b);::QAB(C)
      • Q(b);N_GUARD::QAR(C)+B(B),XQ(b)
      • S(f);N_GUARD::R1(G),XS(f)
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