MESON Chess Problem Database

Problem Display
PID: 145689 (3r1B2/1n1R4/1N3NK1/1p1pp3/1r1k4/1n4Q1/3b4/3R4 w - - 0 1)

Kuznetsov, Pavel G

2nd HM., Zadachi i Etyudi, 1995

3r1B2/1n1R4/1N3NK1/1p1pp3/1r1k4/1n4Q1/3b4/3R4

#2

7 + 9

23 Die Schwalbe 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Rxd5#
    • 1...Rb8
      • 2.Rxd5#
    • 1...Rc8
      • 2.Rxd5#
    • 1...Re8
      • 2.Rxd5#
    • 1...Rxf8
      • 2.Rxd5#
    • 1...Sa1
      • 2.Rxd2#
    • 1...S3a5
      • 2.Rxd2#
  • Tries
    • 1.Sbxd5?
      • threat
        • 2.Qc3#
      • 1...Kc4
        • 2.Sb6#
      • 1...Rc4
        • 2.Qe3#
      • 1...Rc8!
    • 1.Bxb4?
      • threat
        • 2.Qc3#
      • 1...Rc8
        • 2.Rxd5#
      • 1...Rg8+!
  • Keys
    • 1.Sfxd5!
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Sf6#
      • 1...e4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(i);N_GUARD::R1(F),XP(f)
    • R(i);N_GUARD,XB(G)::R1(F),XP(f)
    • S(b);N_GUARD::R(A),XB(a)
  • Tries
    • Try
      • S(C);XP(f)
      • Threat
        • QAB1(B)
      • Vars
        • K(d);N_SPINB(a),P-FLIGHT::S(C)
        • R(c);SBLOCK::QAB1(B)
      • Refutation
        • R(i);
    • Try
      • B(G);XR(c)
      • Threat
        • QAB1(B)
      • Vars
        • R(i);N_GUARD::R1(F),XP(f)
      • Refutation
        • R(i);CHECK
  • Actual
    • S(D);XP(f)
    • Threat
      • QAB1(B)
    • Vars
      • K(d);N_SPINB(a),P-FLIGHT::S(D)
      • P(g);SBLOCK::QAB1(B)
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