MESON Chess Problem Database

Problem Display
PID: 210194 (8/8/7R/2BbKQ2/8/6p1/6k1/8 w - - 0 1)

Renner, Kurt

Deutsche Schachblatter, 1934

8/8/7R/2BbKQ2/8/6p1/6k1/8

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Qh3#
  • Tries
    • 1.Qe4+?
      • 1...Kf1
        • 2.Rh1#
        • 2.Rf6#
      • 1...Bxe4!
    • 1.Qh5?
      • threat
        • 2.Qe2#
        • 2.Qh1#
      • 1...Bf3
        • 2.Qh1#
        • 2.Qh3#
      • 1...Bc4
        • 2.Qh1#
      • 1...Kf1!
  • Keys
    • 1.Rh1!
      • threat
        • 2.Qf1#
      • 1...Kxh1
        • 2.Qh3#
      • 1...Bf3
        • 2.Qh3#
      • 1...Bc4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • B(c);XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAR2(C)
      • B(c);SBLOCK::QAB1(C)
      • B(c);N_GUARD::QAB(C)
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