MESON Chess Problem Database

Problem Display
PID: 265317 (6b1/1n1p4/4kP1K/3RP1PB/1N6/5P2/2Q5/2R5 w - - 0 1)

Zamanov, Vidadi

3/4 Prize, Problemist Ukraini, 2015

6b1/1n1p4/4kP1K/3RP1PB/1N6/5P2/2Q5/2R5

#2

10 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.Bg4#
    • 1...d6
      • 2.Qc8#
  • Tries
    • 1.Kg7?
      • threat
        • 2.Bg4#
      • 1...Bh7
        • 2.Bf7#
      • 1...Sd6!
    • 1.Sd3?
      • threat
        • 2.Sf4#
      • 1...Kxd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Bg4#
      • 1...d6!
    • 1.Re1?
      • 1...d6
        • 2.Qc8#
      • 1...Sd6
        • 2.Rxd6#
        • 2.exd6#
      • 1...Bf7
        • 2.Bg4#
      • 1...Sa5
        • 2.Rd6#
      • 1...Sc5
        • 2.Rd6#
      • 1...Sd8
        • 2.Rd6#
      • 1...Bh7!
    • 1.Qe4?
      • threat
        • 2.Qg4#
      • 1...Sd6
        • 2.Rxd6#
        • 2.exd6#
      • 1...Bh7!
    • 1.f4?
      • threat
        • 2.f5#
      • 1...d6
        • 2.Qc8#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Bh7!
  • Keys
    • 1.Rxd7!
      • threat
        • 2.Re7#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Kxd7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);SBLOCK::B(H)
    • P(c);OGATEB::QAB(B)
  • Tries
    • Try
      • K(J);S_FLIGHT
      • Threat
        • B(H)
      • Vars
        • B(d);N_GUARD::B(H)
      • Refutation
        • S(b);
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(E)::QAB1(B)
        • K(a);N_GUARD,S_FLIGHT::B(H)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • P(c);OGATEB::QAB(B)
        • B(d);SBLOCK::B(H)
        • S(b);N_GUARD::R1(E)
      • Refutation
        • B(d);
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Refutation
        • B(d);
    • Try
      • P(C);
      • Threat
        • P(C)
      • Vars
        • P(c);OGATEB::QAB(B)
        • S(b);N_GUARD::R1(E),XS(b)
      • Refutation
        • B(d);
  • Actual
    • R(E);XP(c)
    • Threat
      • R1(E)
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(F)::QAR1(B)
      • K(a);OGATEB,S_FLIGHT,XR(E)::QAB1(B)
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