MESON Chess Problem Database

Problem Display
PID: 234080 (2K5/B1P5/1Q2p3/3pk1pN/4P3/3r4/5N2/1B2n3 w - - 0 1)

Bidulescu, Constantin

Buletin Problemistic, 1973

2K5/B1P5/1Q2p3/3pk1pN/4P3/3r4/5N2/1B2n3

#2

8 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sg4#
    • 1...Rd2
      • 2.Sg4#
    • 1...Ra3
      • 2.Sg4#
    • 1...Rb3
      • 2.Sg4#
    • 1...Rc3
      • 2.Sg4#
    • 1...Re3
      • 2.Sg4#
    • 1...Rf3
      • 2.Sg4#
    • 1...Rh3
      • 2.Sg4#
    • 1...Rd4
      • 2.Sg4#
    • 1...d4
      • 2.Qc5#
  • Tries
    • 1.Bxd3?
      • threat
        • 2.Sg4#
      • 1...dxe4
        • 2.Qc5#
      • 1...g4
        • 2.Sxg4#
      • 1...Sxd3!
    • 1.Qb4?
      • threat
        • 2.Sg4#
      • 1...Rg3
        • 2.Bd4#
      • 1...d4
        • 2.Qc5#
      • 1...g4
        • 2.Sxg4#
      • 1...dxe4!
  • Keys
    • 1.exd5!
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qxe6#
      • 1...Rxd5
        • 2.Sg4#
      • 1...exd5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(b);::S(B)
    • R(b);P_PINP(G)::S(B)
    • P(c);OGATEB::QAR2(E)
  • Tries
    • Try
      • B(A);XR(b)
      • Threat
        • S(B)
      • Vars
        • P(c);OGATEB,XP(C)::QAR2(E)
        • P(e);::S(B),XP(e)
      • Refutation
        • S(a);XB(A)
    • Try
      • Q(E);
      • Threat
        • S(B)
      • Vars
        • R(b);N_GUARD::B(F)
        • P(c);OGATEB::QAR2(E)
        • P(e);::S(B),XP(e)
      • Refutation
        • P(c);XP(C)
  • Actual
    • P(C);XP(c)
    • Threat
      • QAR1(E),XP(f)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(C)::QAR1(E)
      • K(d);P-FLIGHT,P_SPINR(b)::QAB1(E),XP(f)
      • R(b);SBLOCK,XP(C)::S(B)
      • P(f);OGATE,SBLOCK,XP(C)::QAB1(E)
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