MESON Chess Problem Database

Problem Display
PID: 269886 (1b5Q/5b1n/K3B3/2p3r1/2PPkN2/1R1p2P1/2PB1R2/2n5 w - - 0 1)

Tompuri, Ismo

Tehtavaniekka, 2021

1b5Q/5b1n/K3B3/2p3r1/2PPkN2/1R1p2P1/2PB1R2/2n5

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4
      • 2.Rxf4#
    • 1...Sa2
      • 2.cxd3#
    • 1...Se2
      • 2.cxd3#
    • 1...Sxb3
      • 2.cxd3#
    • 1...dxc2
      • 2.Re3#
  • Keys
    • 1.Se2!
      • threat
        • 2.Sc3#
      • 1...Sxe2
        • 2.cxd3#
      • 1...dxc2
        • 2.Re3#
      • 1...dxe2
        • 2.Re3#
      • 1...cxd4
        • 2.Qxd4#
      • 1...Re5
        • 2.Rf4#
      • 1...Rg7
        • 2.Bf5#
      • 1...Be5
        • 2.Qa8#
      • 1...Sa2
        • 2.cxd3#
      • 1...Sf6
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(h);OGATE,XS(H)::R1(C),XB(h)
    • S(a);N_GUARD::P(A),XP(b)
    • S(a);N_GUARD,XR(D)::P(A),XP(b)
    • P(b);OGATE,XP(A)::R1(D)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • S(a);N_GUARD,XS(H)::P(A),XP(b)
      • P(b);OGATE,XP(A)::R1(D)
      • P(b);OGATE,XS(H)::R1(D)
      • P(d);OGATE,XP(G)::QAR1(K),XP(d)
      • R(e);S_CUTB(h)::R1(C)
      • R(e);N_GUARD::B(J)
      • B(h);OGATE::QAB(K)
      • S(a);N_GUARD::P(A),XP(b)
      • S(g);OGATE::QAB(K)
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