MESON Chess Problem Database

Problem Display
PID: 8057 (8/8/2p2pQ1/4bR2/B1pN3n/B7/p2p3R/rkr2N1K w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

8/8/2p2pQ1/4bR2/B1pN3n/B7/p2p3R/rkr2N1K

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Bc2#
    • 1...Re1
      • 2.Bc2#
    • 1...Rxf1+
      • 2.Rxf1#
    • 1...Rc2
      • 2.Bxc2#
    • 1...Rc3
      • 2.Sxd2#
    • 1...Bxh2
      • 2.Rb5#
    • 1...Bg3
      • 2.Rb5#
    • 1...Bxd4
      • 2.Rb5#
    • 1...Bf4
      • 2.Rb5#
    • 1...Bd6
      • 2.Rb5#
    • 1...Bc7
      • 2.Rb5#
    • 1...Bb8
      • 2.Rb5#
    • 1...d1Q
      • 2.Rb2#
    • 1...d1S
      • 2.Sd2#
    • 1...d1B
      • 2.Sd2#
      • 2.Rb2#
    • 1...d1R
      • 2.Rb2#
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qb7#
      • 1...Rxf1+
        • 2.Rxf1#
      • 1...Bxd4
        • 2.Rb5#
      • 1...d1Q
        • 2.Rb2#
      • 1...d1S
        • 2.Sd2#
      • 1...d1B
        • 2.Sd2#
        • 2.Rb2#
      • 1...Rc2
        • 2.Bxc2#
      • 1...Rc3
        • 2.Sxd2#
      • 1...Bd6
        • 2.Rb5#
      • 1...Bc7
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(c);N_GUARD::B(E)
    • R(c);CHECK,OGATE,XS(A)::QAB(H)+R(G),DCHECK,XR(c)
    • R(c);N_GUARD,N_PINS(A)::B(E),XR(c)
    • R(c);N_PINS(A)::S(A),XP(e)
    • B(h);OGATE,XR(C)::QAB(H)+R(G),DCHECK
    • B(h);OGATE::QAB(H)+R(G),DCHECK
    • B(h);OGATE,XS(F)::QAB(H)+R(G),DCHECK
    • P(e);OGATE::R1(C)
    • P(e);N_PINS(A)::S(A)
  • Actual
    • Q(H);
    • Threat
      • QAR(H)
    • Vars
      • R(c);CHECK,OGATE,XS(A)::QAB(H)+R(G),DCHECK,XR(c)
      • B(h);OGATE,XS(F)::QAB(H)+R(G),DCHECK
      • P(e);OGATE::R1(C)
      • P(e);N_PINS(A)::S(A)
      • R(c);N_GUARD,N_PINS(A)::B(E),XR(c)
      • R(c);N_PINS(A)::S(A),XP(e)
      • B(h);OGATE::QAB(H)+R(G),DCHECK
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