MESON Chess Problem Database

Problem Display
PID: 190177 (8/8/Q7/1rk5/P1q1R1bK/p2p4/4N3/4B3 w - - 0 1)

Vesz, Tibor

Pesti Naplo, 1913

8/8/Q7/1rk5/P1q1R1bK/p2p4/4N3/4B3

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc4+?
      • 1...Kxc4
        • 2.Qxb5#
      • 1...Kd5!
    • 1.Qxb5+?
      • 1...Kd6
        • 2.Bg3#
      • 1...Qxb5!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qd6#
      • 1...Kb4
        • 2.Qxb5#
      • 1...Kd5
        • 2.Re5#
      • 1...Qxe4
        • 2.Qxb5#
      • 1...Qd4
        • 2.Qxb5#
      • 1...Rb6
        • 2.Qxc4#
      • 1...Qd5
        • 2.Qxb5#
      • 1...Qe6
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XQ(c)
      • Vars
        • K(f);P-FLIGHT,P_SPINR(e),XR(D)::QAB1(F),XR(e)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(F);CHECK,XR(e)
      • Vars
        • K(f);S_FLIGHT::B(A)
      • Refutation
        • Q(c);XQ(F)
  • Actual
    • B(A);
    • Threat
      • QAB1(F)
    • Vars
      • K(f);P_SPINQ(c),S_FLIGHT::QAR1(F),XR(e)
      • K(f);P-FLIGHT::R1(D)
      • Q(c);N_GUARD,XR(D)::QAR1(F),XR(e)
      • Q(c);N_GUARD::QAR1(F),XR(e)
      • R(e);OGATE,SBLOCK::QAR1(F),XQ(c)
      • Q(c);N_GUARD,SBLOCK::QAR1(F),XR(e)
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