MESON Chess Problem Database

Problem Display
PID: 76032 (n4B1K/N5Qp/3rBnb1/Ppk5/Pp3R2/2b5/P7/2R5 w - - 0 1)

Heyl, Peter

Troll, 2003

n4B1K/N5Qp/3rBnb1/Ppk5/Pp3R2/2b5/P7/2R5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qg1#
    • 1...Bd3
      • 2.Qg1#
    • 1...Be4
      • 2.Qg1#
    • 1...Bf5
      • 2.Qg1#
    • 1...Bh5
      • 2.Qg1#
    • 1...Bf7
      • 2.Qg1#
    • 1...Be8
      • 2.Qg1#
    • 1...Se4
      • 2.Qe5#
    • 1...Sg4
      • 2.Qd4#
    • 1...Sd5
      • 2.Qd4#
    • 1...Sh5
      • 2.Qd4#
      • 2.Qe5#
    • 1...Sd7
      • 2.Qd4#
    • 1...Se8
      • 2.Qd4#
      • 2.Qe5#
    • 1...Sg8
      • 2.Qd4#
      • 2.Qe5#
    • 1...Sb6
      • 2.Qc7#
    • 1...Sc7
      • 2.Qxc7#
    • 1...b3
      • 2.Rxc3#
    • 1...bxa4
      • 2.Rc4#
  • Tries
    • 1.a3?
      • threat
        • 2.axb4#
      • 1...bxa3
        • 2.Rxc3#
      • 1...Be4
        • 2.Qg1#
      • 1...Se4
        • 2.Qe5#
      • 1...Sd5
        • 2.Qd4#
      • 1...b3
        • 2.Rxc3#
      • 1...Bc2!
  • Keys
    • 1.axb5!
      • threat
        • 2.Rc4#
      • 1...Be4
        • 2.Qg1#
      • 1...Bd3
        • 2.Qg1#
      • 1...Se4
        • 2.Qe5#
      • 1...Sd5
        • 2.Qd4#
      • 1...Sb6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • B(g);OGATE::QAB(H)
    • S(f);OGATE,P_PINQ(H)::QAR2(H)
    • S(f);OGATE,P_PINQ(H)::QAB1(H)
    • S(i);N_GUARD::QAR2(H)
    • S(i);N_GUARD::QAR2(H),XS(i)
    • P(b);N_GUARD::R(A),XB(a)
    • P(c);N_GUARD,XP(C)::R1(D)
  • Tries
    • Try
      • P(B);
      • Threat
        • P(B),XP(b)
      • Vars
        • P(b);N_GUARD,XP(B)::R(A),XB(a)
        • B(g);OGATE::QAB(H)
        • S(f);OGATE,P_PINQ(H)::QAR2(H)
        • S(f);OGATE,P_PINQ(H)::QAB1(H)
        • P(b);N_GUARD::R(A),XB(a)
      • Refutation
        • B(g);N_SPINB(a)
  • Actual
    • P(C);XP(c)
    • Threat
      • R1(D)
    • Vars
      • B(g);OGATE::QAB(H)
      • S(f);OGATE,P_PINQ(H)::QAR2(H)
      • S(f);OGATE,P_PINQ(H)::QAB1(H)
      • S(i);N_GUARD::QAR2(H)
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