MESON Chess Problem Database

Problem Display
PID: 161035 (8/8/8/4p3/B1pk4/1R6/4K3/7Q w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Portoroz, 2002

8/8/8/4p3/B1pk4/1R6/4K3/7Q

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qe4+?
      • 1...Kc5
        • 2.Qxe5#
      • 1...Kxe4!
    • 1.Qc6?
      • 1...e4
        • 2.Qd6#
      • 1...c3
        • 2.Rb4#
      • 1...cxb3!
  • Keys
    • 1.Rb5!
      • 1...Kc3
        • 2.Qa1#
      • 1...c3
        • 2.Qd5#
      • 1...e4
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Vars
        • P(c);SBLOCK::QAR2(A)
        • P(a);OGATEB::R(C)
      • Refutation
        • P(a);XR(C)
  • Actual
    • R(C);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • P(a);SBLOCK::QAR1(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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