MESON Chess Problem Database

Problem Display
PID: 241676 (3R3K/2pP3p/2k5/1p2Q2r/4P1P1/3pBB2/8/5q2 w - - 0 1)

Mlynka, Karol

Problemas, 1995

3R3K/2pP3p/2k5/1p2Q2r/4P1P1/3pBB2/8/5q2

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Qd5#
    • 1...Rh2
      • 2.Qd5#
    • 1...Rh3
      • 2.Qd5#
    • 1...Rh4
      • 2.Qd5#
    • 1...Rh6
      • 2.Qd5#
  • Tries
    • 1.Qxh5?
      • threat
        • 2.Qd5#
      • 1...Qa1+
        • 2.e5#
      • 1...Kb7
        • 2.Qxb5#
      • 1...Kd6!
    • 1.gxh5?
      • threat
        • 2.Qd5#
      • 1...Kb7
        • 2.Qxb5#
      • 1...Qa1!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qa6#
      • 1...Qxa1+
        • 2.e5#
      • 1...Kd6
        • 2.Qf6#
      • 1...Kb7
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD::QAB1(E)
  • Tries
    • Try
      • Q(E);XR(d)
      • Threat
        • QAB1(E)
      • Vars
        • Q(a);CHECK,N_GUARD::B(B)+P(C)
        • K(e);S_FLIGHT::QAR2(E),XP(c)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • P(D);XR(d)
      • Threat
        • QAB1(E)
      • Vars
        • K(e);S_FLIGHT::QAR2(E),XP(c)
      • Refutation
        • Q(a);P_PINQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR2(E)
    • Vars
      • Q(a);CHECK,N_GUARD,XQ(E)::B(B)+P(C)
      • K(e);P-FLIGHT::QAR2(E)
      • K(e);S_FLIGHT::QAB1(E)
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