MESON Chess Problem Database

Problem Display
PID: 86595 (2K5/B4N1B/3R4/5P2/2Q1Pkp1/3p1bp1/4rpn1/4R2r w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Shakhmatnaya kompozitsiya, 1993

2K5/B4N1B/3R4/5P2/2Q1Pkp1/3p1bp1/4rpn1/4R2r

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bb8?
      • threat
        • 2.Rxd3#
      • 1...Ke3
        • 2.Rxd3#
      • 1...Rb2
        • 2.Rb6#
      • 1...d2
        • 2.Rd3#
      • 1...Rh6!
    • 1.Rxd3?
      • threat
        • 2.Bb8#
      • 1...Rb2
        • 2.Qc7#
      • 1...Rh6!
    • 1.Re6?
      • threat
        • 2.Qc7#
      • 1...Rxe4
        • 2.Bb8#
      • 1...Rc2
        • 2.Bb8#
      • 1...Bxe4!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Re6#
      • 1...Kxe4
        • 2.Qc4#
      • 1...Rxe4
        • 2.Rd4#
      • 1...Bxe4
        • 2.Rxd3#
      • 1...Rc2
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F)+R(E),XP(e)
      • Vars
        • K(h);P_SPINR(b),S_FLIGHT::R1(E),XP(e)
        • R(b);::B(F)+R(E)
        • P(e);::B(F)+R(E)
      • Refutation
        • R(a);
    • Try
      • R(E);XP(e)
      • Threat
        • B(F)
      • Vars
        • R(b);::QAB(B)
      • Refutation
        • R(a);
    • Try
      • R(E);
      • Threat
        • QAB(B)
      • Vars
        • R(b);P_SPINR(b),XP(C)::B(F)
        • R(b);P_PINQ(B)::B(F)
      • Refutation
        • B(f);P_SPINB(f),XP(C)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+R(E)
    • Vars
      • K(h);OGATEB,P-FLIGHT,P_SPINR(b),XP(C)::QAR2(B)
      • R(b);XP(C)::QAB(B)+R(E)
      • B(f);SBLOCK,XP(C)::QAB(B)+R(E),XP(e)
      • R(b);P_PINQ(B)::QAB(B)+R(E)
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