MESON Chess Problem Database

Problem Display
PID: 250108 (B4R2/p1p1N3/r1P3PN/6pb/QB2k1rp/2nR2pq/2K2p2/8 w - - 0 1)

Nietvelt, Gustaaf Josephus

5th Prize, Kagans Neueste Schachnachrichten, 1927

B4R2/p1p1N3/r1P3PN/6pb/QB2k1rp/2nR2pq/2K2p2/8

#2

10 + 12

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6
      • 2.Bxc3#
  • Tries
    • 1.Bc5+?
      • 1...Rxa4
        • 2.Re3#
      • 1...Sxa4
        • 2.Re3#
      • 1...Ke5!
  • Keys
    • 1.Re8!
      • threat
        • 2.Sd5#
      • 1...Kf4
        • 2.Bd6#
      • 1...Ke5
        • 2.Sd5#
      • 1...Rxc6
        • 2.Bxc3#
      • 1...Bxg6
        • 2.Sxg6#
      • 1...Rf4
        • 2.Sef5#
      • 1...Sd5
        • 2.Sxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(j);N_GUARD,P_SPINR(j),XP(E)::QAR(C)+B(D),XS(b)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • R(j);XQ(C)::R1(B)
        • S(b);XQ(C)::R1(B)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • R(J);
    • Threat
      • R(J)+S(H)
    • Vars
      • K(e);P-FLIGHT::QAR(C)+B(D),DCHECK
      • K(e);P-FLIGHT::R(J)+S(H)
      • R(j);N_GUARD,P_SPINR(j),XP(E)::QAR(C)+B(D),XS(b)
      • B(i);XP(F)::R(J)+S(H),XB(i)
      • R(f);SBLOCK::R(J)+S(H)
      • S(b);::R(J)+S(H),XS(b)
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