MESON Chess Problem Database

Problem Display
PID: 68160 (b7/3Bp3/1p2Rp2/1N1k4/1Bp5/r1p4p/1PKN2n1/4R1bQ w - - 0 1)

Pituk, Alexander

Skakbladet, 1977

b7/3Bp3/1p2Rp2/1N1k4/1Bp5/r1p4p/1PKN2n1/4R1bQ

#2

9 + 11

5865 Czech Album (1976-1978) 1983

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Sc7#
    • 1...Bc6
      • 2.Bxc6#
    • 1...h2
      • 2.Qxg2#
    • 1...f5
      • 2.R1e5#
      • 2.R6e5#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Sc7#
      • 1...Sxe1+
        • 2.Sxe1#
      • 1...Ra7
        • 2.Sxc3#
      • 1...Bh2
        • 2.Rd1#
      • 1...Se3+!
    • 1.R6e4?
      • threat
        • 2.Sc7#
      • 1...Sxe1+
        • 2.Rxe1#
      • 1...Se3+
        • 2.R4xe3#
      • 1...Ra7
        • 2.Sxc3#
      • 1...Bh2
        • 2.Rd4#
      • 1...Bc5!
  • Keys
    • 1.R1e4!
      • threat
        • 2.Sc7#
      • 1...Se1+
        • 2.Rxe1#
      • 1...Se3+
        • 2.Rxe3#
      • 1...Ra7
        • 2.Sxc3#
      • 1...Bh2
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • B(a);SBLOCK::S(G)
    • B(k);N_GUARD::B(I),XB(k)
    • P(e);N_GUARD::QAB(B),XS(b)
  • Tries
    • Try
      • S(E);N_PINS(b)
      • Threat
        • S(G)
      • Vars
        • S(b);CHECK,XR(A)::QAB(B)+S(E),XS(b)
        • R(c);N_GUARD::S(G),XP(d)
        • B(a);N_GUARD::R(A)
      • Refutation
        • S(b);CHECK
    • Try
      • R(H);N_PINS(b)
      • Threat
        • S(G)
      • Vars
        • S(b);CHECK,OGATE,XR(A)::QAB(B)+R(H),XS(b)
        • S(b);CHECK,OGATEB::QAB(B)+R(H),XS(b)
        • R(c);N_GUARD::S(G),XP(d)
        • B(a);N_GUARD::R1(H)
      • Refutation
        • B(a);
  • Actual
    • R(A);N_PINS(b)
    • Threat
      • S(G)
    • Vars
      • S(b);CHECK,OGATEB::QAB(B)+R(A),XS(b)
      • R(c);N_GUARD::S(G),XP(d)
      • B(a);N_GUARD::R1(A)
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