MESON Chess Problem Database

Problem Display
PID: 243504 (5b2/1q5r/1B3R2/2pk1pNp/2Nn1P2/1PPr1R2/1KpQ4/2n5 w - - 0 1)

Buchwald, Julius

Il Due Mosse, 1953

5b2/1q5r/1B3R2/2pk1pNp/2Nn1P2/1PPr1R2/1KpQ4/2n5

#2

10 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb6
      • 2.Sxb6#
    • 1...Rxd2
      • 2.Se3#
    • 1...Re3
      • 2.Sxe3#
    • 1...Re7
      • 2.Rd6#
    • 1...Bd6
      • 2.Rxd6#
    • 1...Bh6
      • 2.Rd6#
    • 1...Bg7
      • 2.Rd6#
    • 1...Se2
      • 2.Se3#
    • 1...Sxb3
      • 2.Se3#
    • 1...Sxf3
      • 2.Se3#
    • 1...Sb5
      • 2.Se3#
    • 1...Sc6
      • 2.Se3#
  • Keys
    • 1.Se3+!
      • 1...Rxe3
        • 2.c4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 11
  • Sets
    • Q(i);P_PINP(C),XB(I)::S(F),XQ(i)
    • R(c);N_GUARD,XQ(B)::S(F)
    • R(c);N_GUARD,P_SPINS(d)::S(F),XR(c)
    • R(j);S_CUTB(k)::R1(J)
    • B(k);N_GUARD::R1(J),XB(k)
    • B(k);N_GUARD::R1(J)
    • S(d);P_SPINR(c)::S(F)
    • S(d);P_SPINR(c),XP(C)::S(F)
    • S(d);P_SPINR(c),XR(E)::S(F)
  • Actual
    • S(F);CHECK
    • Vars
      • R(c);P_SPINS(d),XS(F)::P(D)
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