MESON Chess Problem Database

Problem Display
PID: 39671 (BBQ4R/4p3/3pN3/4NkP1/2P5/7P/8/3RK3 w - - 0 1)

Slesarenko, Anatoly Vasilevich

1/2 Prize, Moscow Ty., 2000

BBQ4R/4p3/3pN3/4NkP1/2P5/7P/8/3RK3

#2

11 + 3

145 StrateGems 2001
23 Die Schwalbe 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...Kxe5
        • 2.Qf5#
      • 1...Kxg5
        • 2.Qf5#
      • 1...Kf4!
    • 1.Sg7+?
      • 1...Kxe5
        • 2.Qf5#
      • 1...Kxg5
        • 2.Qf5#
      • 1...Kf4!
    • 1.Bh1?
      • 1...Kxe5
        • 2.Rd5#
      • 1...d5
        • 2.Rf8#
      • 1...dxe5!
    • 1.Bg2?
      • 1...Kxe5
        • 2.Rd5#
      • 1...d5
        • 2.Rf8#
      • 1...dxe5!
    • 1.Bf3?
      • 1...Kxe5
        • 2.Rd5#
      • 1...d5
        • 2.Rf8#
      • 1...dxe5!
    • 1.Rd4?
      • 1...dxe5
        • 2.Be4#
      • 1...d5
        • 2.Rf4#
        • 2.Rf8#
      • 1...Kxe5!
    • 1.Rxd6?
      • 1...Kxe5
        • 2.Qc5#
      • 1...exd6!
    • 1.Rh6?
      • 1...Kxe5
        • 2.Qc5#
      • 1...dxe5
        • 2.Qf8#
      • 1...d5!
    • 1.Qg8?
      • 1...dxe5
        • 2.Qf7#
      • 1...d5
        • 2.Qg6#
      • 1...Kxe5!
  • Keys
    • 1.Rh4!
      • 1...Kxe5
        • 2.Rd5#
      • 1...dxe5
        • 2.Be4#
      • 1...d5
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XS(E)::QAR1(J)
        • K(a);P-FLIGHT,XP(F)::QAR1(J)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XS(E)::QAR1(J)
        • K(a);P-FLIGHT,XP(F)::QAR1(J)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::R1(A)
        • P(b);::R(K)
      • Refutation
        • P(b);XS(E)
    • Try
      • B(H);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::R1(A)
        • P(b);::R(K)
      • Refutation
        • P(b);XS(E)
    • Try
      • B(H);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::R1(A)
        • P(b);::R(K)
      • Refutation
        • P(b);XS(E)
    • Try
      • R(A);
      • Vars
        • P(b);XS(E)::B(H)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XS(E)
    • Try
      • R(A);XP(b)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(E)::QAR2(J)
      • Refutation
        • P(c);XR(A)
    • Try
      • R(K);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::QAR2(J)
        • P(b);XS(E)::QAR(J)
      • Refutation
        • P(b);
    • Try
      • Q(J);
      • Vars
        • P(b);XS(E)::QAR2(J)
        • P(b);::QAB1(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XS(E)
  • Actual
    • R(K);
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::R1(A)
      • P(b);XS(E)::B(H)
      • P(b);::R1(K)
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