MESON Chess Problem Database

Problem Display
PID: 204534 (8/8/1q1rp3/Rp6/3k1P2/8/4QPB1/1K6 w - - 0 1)

Freitag, Roman

Revista de Sah, 1925

8/8/1q1rp3/Rp6/3k1P2/8/4QPB1/1K6

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3+?
      • 1...Kc5
        • 2.Qc3#
      • 1...Kxd3!
    • 1.Qd2+?
      • 1...Kc5
        • 2.Qc3#
      • 1...Kc4!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qb2#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kd5
        • 2.Qc4#
      • 1...Qc5
        • 2.Qd3#
      • 1...Rd5
        • 2.Qe3#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P_SPINP(b),S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT,P_SPINP(b)::QAB1(B)
      • Q(c);SBLOCK::QAR1(B)
      • R(d);SBLOCK::QAB1(B)
      • P(e);::QAB1(B),XP(e)
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