MESON Chess Problem Database

Problem Display
PID: 203649 (b2r4/q3P2p/1bp2BP1/5p2/2RP1k2/3p3K/5P2/7Q w - - 0 1)

Boros, Sandor

Nepszava, 1924

b2r4/q3P2p/1bp2BP1/5p2/2RP1k2/3p3K/5P2/7Q

#2

8 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.d5#
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
      • 1...Qxe7!
  • Keys
    • 1.Kg2!
      • threat
        • 2.Qh4#
      • 1...c5+
        • 2.d5#
      • 1...Ke4
        • 2.Kg3#
      • 1...Kg4
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);S_CUTB(d)::R(D)+P(E)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • Q(f);XP(H)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • P(e);CHECK,S_CUTB(d)::R(D)+P(E)
      • K(b);P-FLIGHT::QAB(A)+K(C)
      • K(b);P-FLIGHT::QAR1(A)
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