MESON Chess Problem Database

Problem Display
PID: 146906 (bR1n4/1nr2B2/1p6/p1PR4/r1kp1B2/p4K2/4N3/1Q6 w - - 0 1)

Slesarenko, Anatoly Vasilevich

1/2 Prize, Shakhmatnaya Poeziya, 2008

bR1n4/1nr2B2/1p6/p1PR4/r1kp1B2/p4K2/4N3/1Q6

#2

8 + 10

23 Die Schwalbe 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Rxd4#
    • 1...bxc5
      • 2.Rxd4#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qb3#
      • 1...Kc3
        • 2.Qb3#
      • 1...Rb4
        • 2.Qd3#
      • 1...Sxc5!
    • 1.Sxd4?
      • threat
        • 2.Qb3#
      • 1...Kc3
        • 2.Qb3#
      • 1...Rb4
        • 2.Qc2#
      • 1...Sxc5!
    • 1.Qd3+?
      • 1...Kb4
        • 2.Bd2#
      • 1...Kxd3!
    • 1.c6?
      • threat
        • 2.Qb5#
      • 1...Rb4
        • 2.Qc2#
      • 1...Sc5
        • 2.Rxd4#
      • 1...b5
        • 2.Qxb5#
      • 1...Sd6!
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Rxd4#
      • 1...Kd3
        • 2.Qb3#
      • 1...Sxc5
        • 2.Qb5#
      • 1...Sd6
        • 2.Qb3#
      • 1...d3
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(h);SBLOCK,XP(E)::B(G)+R(F),DCHECK,XP(d)
    • P(f);SBLOCK,XP(E)::B(G)+R(F),DCHECK,XP(d)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
        • R(b);SBLOCK::QAB1(A)
      • Refutation
        • S(g);P_PINR(F),XP(E)
    • Try
      • S(B);XP(d)
      • Threat
        • QAB1(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
        • R(b);SBLOCK::QAR2(A)
      • Refutation
        • S(g);P_PINR(F),XP(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::B(D)
      • Refutation
        • K(c);P_SPINP(d),S_FLIGHT,XQ(A)
    • Try
      • P(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(b);SBLOCK::QAR2(A)
        • S(g);SBLOCK::B(G)+R(F),DCHECK,XP(d)
        • P(f);::QAB1(A),XP(f)
      • Refutation
        • S(g);
  • Actual
    • Q(A);XP(f)
    • Threat
      • B(G)+R(F),DCHECK,XP(d)
    • Vars
      • K(c);P_SPINP(d),S_FLIGHT::QAR2(A)
      • S(g);P_PINR(F),XP(E)::QAB1(A)
      • S(g);P_PINR(F)::QAB1(A)
      • P(d);::B(G)+R(F),DCHECK
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