MESON Chess Problem Database

Problem Display
PID: 100487 (1n6/1BPpp1Kp/4k3/2P1N1R1/2N1r3/8/Q3R1b1/3r2b1 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

Israel Ring Ty., 1962

1n6/1BPpp1Kp/4k3/2P1N1R1/2N1r3/8/Q3R1b1/3r2b1

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Rexe5#
      • 2.Rgxe5#
    • 1...Bd4
      • 2.Sd6#
  • Tries
    • 1.Sd2+?
      • 1...d5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...Rc4!
    • 1.Sd6+?
      • 1...Rd5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...Rc4!
  • Keys
    • 1.Sxd7!
      • threat
        • 2.Sf8#
      • 1...Bd4+
        • 2.Sce5#
      • 1...Kxd7
        • 2.c8Q#
      • 1...Rxd7
        • 2.Sd6#
      • 1...Sxd7
        • 2.Sd2#
      • 1...Rf1
        • 2.Scb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);P_PINS(E),S_CUTR(a),S_CUTR(d)::QAB(A)+S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(d);P_SPINR(d)
    • Try
      • S(C);CHECK
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • S(E);P_PINR(d),XP(f)
    • Threat
      • S(E)
    • Vars
      • B(b);CHECK,S_CUTR(a)::QAB(A)+S(C)
      • K(e);N_SPINR(d),S_FLIGHT,XS(E)::P=Q
      • R(a);N_GUARD,SBLOCK,XS(E)::QAB(A)+S(C)
      • S(i);SBLOCK,XS(E)::QAB(A)+S(C)
      • R(a);N_GUARD::QAB(A)+S(C)
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Developed and maintained by Brian Stephenson.
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