MESON Chess Problem Database

Problem Display
PID: 259565 (4b3/2pBK1p1/8/1n1kB1rR/1P2R3/P2p2N1/8/8 w - - 0 1)

Somma, Francesco

Teplitz-Chemnitzer Anzeiger, 1922

4b3/2pBK1p1/8/1n1kB1rR/1P2R3/P2p2N1/8/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2022
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5+
      • 2.Rhxe5#
    • 1...c6
      • 2.Be6#
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc5#
      • 1...Rxe5+
        • 2.Be6#
      • 1...Kxc4
        • 2.Be6#
      • 1...Kxe5
        • 2.Rxg5#
      • 1...Rxg3
        • 2.Be6#
      • 1...c5
        • 2.Rxc5#

Anticipated by 262319(1921-1922)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(d);CHECK,OGATE,P_SPINR(d),XB(E)::R1(F),XR(d)
    • P(e);SBLOCK::B(G)
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • R(d);CHECK,P_SPINR(d),XB(E)::B(G)
      • K(c);N_GUARD,S_FLIGHT,XR(D)::B(G)
      • K(c);OGATEB,P-FLIGHT,P_SPINR(d),XB(E)::R(F),XR(d)
      • R(d);XS(B)::B(G)
      • P(e);::R1(D),XP(e)
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Developed and maintained by Brian Stephenson.
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