MESON Chess Problem Database

Problem Display
PID: 245762 (8/2b1p3/1p1kP1N1/pP1n1pp1/1PK2N2/BB1pp2r/rPR1P2Q/3R4 w - - 0 1)

Wrobel, Marian

Nepszava, 1938

8/2b1p3/1p1kP1N1/pP1n1pp1/1PK2N2/BB1pp2r/rPR1P2Q/3R4

#2

13 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb4
      • 2.Rxd3#
    • 1...dxc2
      • 2.Rxd5#
    • 1...dxe2
      • 2.Rxd5#
  • Tries
    • 1.bxa5+?
      • 1...Sb4
        • 2.Bxb4#
        • 2.Rxd3#
      • 1...Rxa3!
  • Keys
    • 1.Kxd3!
      • threat
        • 2.Rc6#
      • 1...Sxb4+
        • 2.Kc4#
      • 1...Sxf4+
        • 2.Kc3#
      • 1...Sc3
        • 2.Kxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(f);OGATEB,P_SPINP(b),P_SPINS(f),XP(H)::R(A),XP(b)
    • P(b);OGATE,P_SPINS(f),XR(C)::R1(A),XS(f)
    • P(b);OGATE,P_SPINS(f),XP(D)::R1(A),XS(f)
  • Tries
    • Try
      • P(H);CHECK,XP(e)
      • Refutation
        • R(a);XB(F)
  • Actual
    • K(I);S_FLIGHT,XP(b)
    • Threat
      • R1(C)
    • Vars
      • S(f);CHECK,P_SPINS(f),XP(H)::R(A)+K(I)
      • S(f);CHECK,P_SPINS(f),XS(J)::R(A)+K(I)
      • S(f);::R(A)+K(I),XS(f)
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