MESON Chess Problem Database

Problem Display
PID: 249713 (N4K2/b2p4/p4p2/N1k5/1pP3R1/3pp1B1/Q1R3n1/6rB w - - 0 1)

Schonholzer, Andreas

Schweizerische Schachzeitung, 2002

N4K2/b2p4/p4p2/N1k5/1pP3R1/3pp1B1/Q1R3n1/6rB

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sb3#
      • 2.Sb7#
    • 1...Sh4
      • 2.Sb3#
      • 2.Sb7#
    • 1...b3
      • 2.Qa3#
  • Tries
    • 1.Ke7?
      • threat
        • 2.Bd6#
      • 1...Sf4
        • 2.Sb3#
      • 1...d6
        • 2.Bxd6#
      • 1...Bb8!
    • 1.Qa1?
      • threat
        • 2.Qd4#
      • 1...Sf4
        • 2.Sb7#
      • 1...b3
        • 2.Qa3#
      • 1...Rxa1!
    • 1.Qa4?
      • threat
        • 2.Sb3#
        • 2.Sb7#
      • 1...Rb1
        • 2.Sb7#
      • 1...b3
        • 2.Sxb3#
        • 2.Sb7#
        • 2.Qa3#
      • 1...Sf4!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qd4#
      • 1...Sf4
        • 2.Sb7#
      • 1...b3
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATEB::QAB(B)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • B(D)
      • Vars
        • S(b);::S(G)
        • P(j);::B(D),XP(j)
      • Refutation
        • B(i);
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • S(b);::S(G)
        • P(e);OGATEB::QAB(B)
      • Refutation
        • R(a);XQ(B)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(G)
      • Refutation
        • S(b);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • S(b);::S(G)
      • P(e);OGATEB::QAB(B)
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