MESON Chess Problem Database

Problem Display
PID: 9863 (n7/rr3p2/Rq2kp1R/2Qpp3/B6N/B2N4/8/6K1 w - - 0 1)

Rice, John Michael

Die Schwalbe, 1960

n7/rr3p2/Rq2kp1R/2Qpp3/B6N/B2N4/8/6K1

#2

8 + 9

1111 Busmen's Chess Review 1962
3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Qxc6#
    • 1...Qd6
      • 2.Qxd6#
    • 1...d4
      • 2.Qc4#
      • 2.Qxe5#
  • Tries
    • 1.Bd1?
      • threat
        • 2.Bg4#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Kd7!
    • 1.Rxb6+?
      • 1...Sxb6
        • 2.Qd6#
        • 2.Qc6#
      • 1...Rxb6!
    • 1.Qe3?
      • threat
        • 2.Sf4#
      • 1...Qc6
        • 2.Qh3#
      • 1...Qd6
        • 2.Qxe5#
      • 1...e4!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Rxf6#
      • 1...Qc6
        • 2.Qf5#
      • 1...Qd6
        • 2.Qxf6#
      • 1...d4
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_PINQ(F)::QAR2(F),XQ(c)
    • Q(c);N_PINQ(F)::QAR1(F),XQ(c)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • Q(c);N_PINQ(F)::QAR1(F),XQ(c)
      • Refutation
        • K(d);N_SPINP(e),N_SPINQ(c),S_FLIGHT
    • Try
      • R(G);CHECK,N_SPINQ(F),XQ(c)
      • Refutation
        • R(g);XR(G)
    • Try
      • Q(F);N_PINP(e),P_PINP(b)
      • Threat
        • S(C)
      • Vars
        • Q(c);N_PINQ(F)::QAB(F)
        • Q(c);N_PINQ(F)::QAR1(F),XP(b)
      • Refutation
        • P(b);
  • Actual
    • Q(F);
    • Threat
      • R1(H),XP(e)
    • Vars
      • Q(c);N_PINQ(F)::QAB1(F)
      • Q(c);N_PINQ(F)::QAR1(F),XP(e)
      • P(a);N_PINQ(F)::QAB(F)
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Developed and maintained by Brian Stephenson.
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