MESON Chess Problem Database

Problem Display
PID: 142543 (Q7/8/p2PPP2/R1PPk1P1/1N6/1Pp2P2/2B1K3/6R1 w - - 0 1)

Ivanov, Vadim Aleksandrovich

1st Prize, Sachsische Zeitung, 2005

Q7/8/p2PPP2/R1PPk1P1/1N6/1Pp2P2/2B1K3/6R1

#2

14 + 3

23 Die Schwalbe 2011
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Kd4
        • 2.Rg4#
        • 2.Ra4#
      • 1...Kf5!
    • 1.Sc6+?
      • 1...Kf4
        • 2.Rg4#
        • 2.Ra4#
      • 1...Kxd5!
    • 1.Be4?
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf4
        • 2.Sd3#
      • 1...c2!
    • 1.Ra4?
      • 1...Kd4
        • 2.Sd3#
      • 1...Kf4
        • 2.Sc6#
      • 1...a5!
    • 1.Qb8?
      • 1...Kf4
        • 2.d7#
      • 1...Kd4!
    • 1.f4+?
      • 1...Kd4
        • 2.Rd1#
      • 1...Kxf4!
    • 1.d7?
      • 1...Kf4
        • 2.Qb8#
      • 1...Kd4!
    • 1.f7?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kf4!
  • Keys
    • 1.Qh8!
      • 1...Kd4
        • 2.f7#
      • 1...Kf4
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(I)
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • P(a);
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT::R(G)+S(F)
      • Refutation
        • P(c);
    • Try
      • Q(N);
      • Vars
        • K(b);S_FLIGHT::QAB(N)+P(K)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R(A)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • P(K);
      • Vars
        • K(b);S_FLIGHT::QAB(N)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(M);
      • Vars
        • K(b);S_FLIGHT::QAB(N)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(N);
    • Vars
      • K(b);S_FLIGHT::QAB(N)+P(M)
      • K(b);S_FLIGHT::QAB(N)
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