MESON Chess Problem Database

Problem Display
PID: 172434 (8/2K5/2p5/1k6/Rr6/8/3B3Q/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

8/2K5/2p5/1k6/Rr6/8/3B3Q/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Ra5#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qxb4#
        • 2.Qxc6#
      • 1...Kxa4
        • 2.Qxb4#
      • 1...Kc4
        • 2.Rxb4#
      • 1...Rxa4
        • 2.Qxc6#
      • 1...Rb1
        • 2.Qxc6#
      • 1...Rb2
        • 2.Qxc6#
      • 1...Rb3
        • 2.Qxc6#
      • 1...Rc4
        • 2.Ra5#
      • 1...Rd4
        • 2.Qxc6#
      • 1...Re4
        • 2.Qxc6#
      • 1...Rf4
        • 2.Qxc6#
      • 1...Rg4
        • 2.Qxc6#
      • 1...Rh4
        • 2.Qxc6#
      • 1...c5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::R1(C)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAR1(B),XR(a)
      • K(b);P_SPINR(a),S_FLIGHT::R1(C),XR(a)
      • R(a);SBLOCK,XR(C)::QAB1(B),XP(c)
      • R(a);::QAB1(B),XP(c)
      • R(a);SBLOCK::R1(C)
      • P(c);OGATE,SBLOCK::QAB1(B)
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