MESON Chess Problem Database

Problem Display
PID: 172508 (2B5/8/6K1/3Q4/5k1p/6n1/6R1/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2002

2B5/8/6K1/3Q4/5k1p/6n1/6R1/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd4+?
      • 1...Kf3
        • 2.Rf2#
      • 1...Se4!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Qg5#
      • 1...Ke3
        • 2.Qd2#
      • 1...Kg4
        • 2.Qf5#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sf5
        • 2.Qe4#

This is a version of 164487

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::R1(A)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • B(D);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);P-FLIGHT,P_SPINS(a)::QAB1(B)
      • S(a);N_GUARD::QAR1(B),XS(a)
      • S(a);N_GUARD::QAR1(B)
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