MESON Chess Problem Database

Problem Display
PID: 244696 (4B3/8/4p3/2B3K1/2P1kpN1/2npppnN/Q5b1/1q1R1R2 w - - 0 1)

Colaneri, Bruno

Sinfonie Scacchistiche, 2015

4B3/8/4p3/2B3K1/2P1kpN1/2npppnN/Q5b1/1q1R1R2

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd1
      • 2.Bc6#
    • 1...Sxa2
      • 2.Bc6#
    • 1...Sce2
      • 2.Bc6#
    • 1...Sa4
      • 2.Bc6#
    • 1...Sb5
      • 2.Bc6#
      • 2.Qa8#
    • 1...Sxf1
      • 2.Bg6#
    • 1...Sh1
      • 2.Bg6#
    • 1...Sge2
      • 2.Bg6#
    • 1...Sh5
      • 2.Bg6#
    • 1...e2
      • 2.Shf2#
    • 1...e5
      • 2.Sf6#
  • Keys
    • 1.Qe2!
      • threat
        • 2.Shf2#
      • 1...Bxh3
        • 2.Qxf3#
      • 1...Sxd1
        • 2.Bc6#
      • 1...Scxe2
        • 2.Bc6#
      • 1...Sgxe2
        • 2.Bg6#
      • 1...dxe2
        • 2.Rd4#
      • 1...fxe2
        • 2.Rxf4#
      • 1...Sh1
        • 2.Bg6#
      • 1...f2
        • 2.Shxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • S(c);N_GUARD,XR(A)::B(I)
    • S(c);N_GUARD,XQ(C)::B(I)
    • S(c);N_GUARD::B(I)
    • S(g);N_GUARD,XR(B)::B(I)
    • S(g);N_GUARD::B(I)
    • P(e);N_GUARD::S(D)
    • P(j);SBLOCK::S(F)
  • Actual
    • Q(C);P_PINP(e)
    • Threat
      • S(D)
    • Vars
      • B(b);N_GUARD,XS(D)::QAB1(C),XP(f)
      • S(c);N_GUARD,XR(A)::B(I)
      • S(c);N_GUARD,N_SPINP(e),XQ(C)::B(I)
      • S(g);N_GUARD,N_SPINP(e),XQ(C)::B(I)
      • P(d);N_SPINP(e),OGATE,XQ(C)::R1(A)
      • P(f);N_SPINP(e),OGATE,XQ(C)::R1(B),XP(i)
      • S(g);N_GUARD::B(I)
      • P(f);::S(D),XP(f)
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