MESON Chess Problem Database

Problem Display
PID: 15958 (6R1/8/p7/4Q3/3p4/8/6p1/1K1k4 w - - 0 1)

Maleika, Gerhard

The Problemist, 1989

6R1/8/p7/4Q3/3p4/8/6p1/1K1k4

#2

3 + 4

2838 Fun with Chess Miniatures 1996
136 Problem Observer 2010
56 The Problemist 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rg3?
      • threat
        • 2.Rd3#
      • 1...d3
        • 2.Rxd3#
      • 1...Kd2!
  • Keys
    • 1.Re8!
      • threat
        • 2.Qxd4#
        • 2.Qe1#
        • 2.Qe2#
      • 1...Kd2
        • 2.Qxd4#
      • 1...g1Q
        • 2.Qe2#
      • 1...g1S
        • 2.Qxd4#
        • 2.Qe1#
      • 1...g1B
        • 2.Qe1#
        • 2.Qe2#
      • 1...g1R
        • 2.Qxd4#
        • 2.Qe2#
      • 1...d3
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • P(c);::R(C),XP(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(C);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::QAR2(B),XP(c)
      • P(b);::QAB1(B)
      • P(c);::QAR1(B)
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