MESON Chess Problem Database

Problem Display
PID: 137164 (2R4b/3p4/1p1QPB1r/3Kp2b/p5B1/8/rR2q1N1/3k4 w - - 0 1)

Kovacevic, Marjan

Liga Problemista, 1982/1

2R4b/3p4/1p1QPB1r/3Kp2b/p5B1/8/rR2q1N1/3k4

#2

8 + 10

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3+
      • 2.Kxe5#
    • 1...Bg6
      • 2.Bxe2#
    • 1...Bf7
      • 2.Bxe2#
    • 1...Be8
      • 2.Bxe2#
    • 1...e4
      • 2.Ke5#
    • 1...dxe6+
      • 2.Kxe6#
  • Keys
    • 1.Bg5!
      • threat
        • 2.Rb1#
        • 2.Rc1#
      • 1...Qf3+
        • 2.Kc4#
      • 1...dxe6+
        • 2.Kc6#
      • 1...Qxg4
        • 2.Rc1#
      • 1...Rxb2
        • 2.Rc1#
      • 1...Ra1
        • 2.Rd2#
      • 1...Bg6
        • 2.Bxe2#
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(c);CHECK::QAR(E)+K(D),XP(e)
    • B(f);N_GUARD::B(C),XQ(c)
    • B(f);N_GUARD,P_PINP(F)::B(C),XQ(c)
    • P(e);::QAR(E)+K(D)
    • P(i);CHECK,XP(F)::QAR(E)+K(D),XP(i)
  • Actual
    • B(G);
    • Threat
      • DUALS(2)
    • Vars
      • Q(c);CHECK::QAR(E)+K(D)
      • P(i);CHECK,XP(F)::QAR(E)+K(D)
      • Q(c);N_SPINQ(c),XB(C)::R1(H)
      • R(b);XR(A)::R1(H)
      • R(b);N_GUARD::R1(A)
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