MESON Chess Problem Database

Problem Display
PID: 164247 (2b3rB/KQR3r1/3N4/P7/2p5/PNk1bRn1/1pP1nq2/1B6 w - - 0 1)

Petite, Efren

Novi Temi, 1976

2b3rB/KQR3r1/3N4/P7/2p5/PNk1bRn1/1pP1nq2/1B6

#2

11 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Ka6?
      • threat
        • 2.Sb5#
        • 2.Rxc4#
      • 1...Be6
        • 2.Sb5#
        • 2.Qb4#
      • 1...Bd7
        • 2.Rxc4#
        • 2.Qb4#
      • 1...Sd4
        • 2.Rxc4#
      • 1...Bxb7+!
    • 1.Qb6?
      • threat
        • 2.Sb5#
      • 1...Bd7
        • 2.Rxc4#
      • 1...Sd4
        • 2.Qxd4#
        • 2.Qb4#
      • 1...Ba6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Sb5#
      • 1...Bd7
        • 2.Qb4#
      • 1...Sd4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • K(H);P-FLIGHT,P_SPINQ(I)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);N_SPINR(h)::R1(J),XP(g)
      • Refutation
        • B(i);CHECK,XQ(I)
    • Try
      • Q(I);P_SPINQ(I),P_SPINR(J)
      • Threat
        • S(G)
      • Vars
        • B(i);N_PINR(J)::R1(J),XP(g)
      • Refutation
        • B(i);
  • Actual
    • R(J);P_SPINQ(I),P_SPINR(J)
    • Threat
      • S(G)
    • Vars
      • B(i);N_PINQ(I)::QAB1(I)
      • S(b);N_PINR(J),N_SPINR(h)::R1(J),XP(g)
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