MESON Chess Problem Database

Problem Display
PID: 10770 (4R3/1n1B4/1pPp4/1p1k4/5PK1/1R1pb3/q2Q4/4B3 w - - 0 1)

Rice, John Michael

1st Sp. HM., BCF 116. Ty., 1967-1968

4R3/1n1B4/1pPp4/1p1k4/5PK1/1R1pb3/q2Q4/4B3

#2

8 + 8

5862 An ABC of Chess Problems 1970
3751 FIDE Album (1968-1970) 1977
5174 Chess Problem Spectrum 2003

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd3+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kc5
        • 2.Qb4#
      • 1...Bd4!
    • 1.Rxb5+?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kd4
        • 2.Qc3#
      • 1...Bc5
        • 2.Qxd3#
      • 1...Sc5!
    • 1.Re5+?
      • 1...Kc4
        • 2.Rb4#
        • 2.Qc3#
        • 2.Qb4#
        • 2.Qxd3#
      • 1...Kd4
        • 2.Qc3#
        • 2.Qb4#
        • 2.Qxd3#
      • 1...dxe5!
    • 1.Qxd3+?
      • 1...Kc5
        • 2.Bb4#
        • 2.Rxb5#
      • 1...Bd4!
  • Keys
    • 1.Be6+!
      • 1...Kd4
        • 2.Qb4#
      • 1...Ke4
        • 2.Qxd3#
      • 1...Kc5
        • 2.Qc3#
      • 1...Kxc6
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK,XP(b)
      • Vars
        • K(e);S_FLIGHT::QAR1(B)
        • K(e);P-FLIGHT::QAB1(B)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • R(C);CHECK,XP(d)
      • Vars
        • K(e);N_SPINP(b),S_FLIGHT::QAR1(B)
        • K(e);P-FLIGHT::QAB1(B)
        • B(c);P_SPINB(c)::QAR2(B),XP(b)
      • Refutation
        • S(h);P_SPINS(h)
    • Try
      • R(H);CHECK
      • Refutation
        • P(g);XR(H)
    • Try
      • Q(B);CHECK,XP(b)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • B(G);CHECK
    • Vars
      • K(e);P-FLIGHT::QAR2(B)
      • K(e);N_SPINP(b),S_FLIGHT::QAB1(B),XP(b)
      • K(e);N_SPINP(b),P-FLIGHT::QAR2(B)
      • K(e);N_SPINP(b),S_FLIGHT,XP(F)::R(H)
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