MESON Chess Problem Database

Problem Display
PID: 159402 (qR6/1bR5/r2p2NK/2b5/2P2Q2/3k1P2/1B1p4/3B4 w - - 0 1)

Soldatov, Volodimir Vladimirovich

Comm., Schach, 1993

qR6/1bR5/r2p2NK/2b5/2P2Q2/3k1P2/1B1p4/3B4

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Qe4#
    • 1...Ba3
      • 2.Qd4#
    • 1...Bb4
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bxf3
      • 2.Rb3#
    • 1...Bd5
      • 2.Rb3#
    • 1...Bc6
      • 2.Rb3#
    • 1...Bc8
      • 2.Rb3#
  • Tries
    • 1.Rxc5?
      • threat
        • 2.Qd4#
      • 1...Be4
        • 2.Rb3#
      • 1...dxc5!
    • 1.Rc6?
      • threat
        • 2.Qe4#
      • 1...Bxc6
        • 2.Rb3#
      • 1...d5
        • 2.Se5#
      • 1...Be3!
    • 1.Rcxb7?
      • threat
        • 2.Rb3#
        • 2.Qe4#
      • 1...Qxb8
        • 2.Qe4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Ra3
        • 2.Qe4#
      • 1...Rb6
        • 2.Qe4#
      • 1...Be3
        • 2.Rb3#
      • 1...Bb4
        • 2.Qd4#
        • 2.Qe4#
      • 1...Bb6
        • 2.Qe4#
      • 1...d5
        • 2.Rb3#
      • 1...Qxb7!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Se5#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bd5
        • 2.Rb3#
      • 1...d5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(d);S_CUTB(f)::QAB1(E)
    • B(c);N_GUARD::QAR1(E)
    • B(c);N_GUARD::QAR1(E),XB(c)
    • B(f);OGATE,XP(C)::R(I)
    • B(f);OGATE::R(I)
  • Tries
    • Try
      • R(H);XB(c)
      • Threat
        • QAR1(E)
      • Vars
        • B(f);OGATE::R(I)
      • Refutation
        • P(e);P_PINS(F),XR(H)
    • Try
      • R(H);
      • Threat
        • QAB1(E)
      • Vars
        • B(f);OGATE,XR(H)::R(I)
        • P(e);N_GUARD::S(F)
      • Refutation
        • B(c);P_PINQ(E)
    • Try
      • R(H);XB(f)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);XR(I)::QAB1(E)
        • B(c);N_GUARD::QAR1(E),XB(c)
        • R(d);::QAB1(E)
        • B(c);P_PINQ(E)::R(H)
        • B(c);::QAB1(E)
        • P(e);P_PINS(F)::R(H)
      • Refutation
        • Q(g);XR(H)
  • Actual
    • R(H);P_PINP(e)
    • Threat
      • S(F)
    • Vars
      • B(c);N_GUARD,N_SPINP(e)::QAR1(E),XB(c)
      • B(f);N_SPINP(e),OGATE::R(I)
      • P(e);P_PINS(F),S_CUTB(f)::QAB1(E)
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