MESON Chess Problem Database

Problem Display
PID: 54996 (2Q3nn/P1KP2rp/RB2kprb/P1R3p1/2P3P1/8/B7/8 w - - 0 1)

Reddmann, Hauke

6th Comm., Die Schwalbe, 1999/I

2Q3nn/P1KP2rp/RB2kprb/P1R3p1/2P3P1/8/B7/8

#2

11 + 9

23 Die Schwalbe 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Ke7
      • 2.Qe8#
    • 1...Kf7
      • 2.Qe8#
    • 1...Rxd7+
      • 2.Qxd7#
    • 1...Se7
      • 2.d8S#
    • 1...Sf7
      • 2.d8Q#
      • 2.d8B#
  • Tries
    • 1.Rc6+?
      • 1...Ke7
        • 2.Qe8#
      • 1...Kf7
        • 2.Qe8#
      • 1...Ke5!
    • 1.Qe8+?
      • 1...Se7
        • 2.d8S#
      • 1...Re7!
    • 1.a8Q?
      • 1...Rxd7+
        • 2.Qxd7#
      • 1...Ke7
        • 2.Qe8#
      • 1...Kf7
        • 2.Qe8#
      • 1...Re7
        • 2.Qd5#
      • 1...Rf7
        • 2.Qe4#
      • 1...Se7
        • 2.d8S#
      • 1...Sf7
        • 2.d8Q#
        • 2.d8B#
      • 1...f5!
  • Keys
    • 1.Rf5!
      • 1...Rxd7+
        • 2.Qxd7#
      • 1...Ke7
        • 2.Qe8#
      • 1...Kf7
        • 2.Qe8#
      • 1...Re7
        • 2.c5#
      • 1...Rf7
        • 2.Bc5#
      • 1...Se7
        • 2.d8S#
      • 1...Sf7
        • 2.d8Q#
        • 2.d8B#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_PINP(J),P-FLIGHT::QAR1(K)
    • K(b);N_PINP(J),S_FLIGHT::QAB1(K)
    • R(f);CHECK,OGATE,P_SPINR(f),XP(J)::QAB1(K),XR(f)
    • S(h);N_PINP(J),SBLOCK::P=S
    • S(i);N_PINP(J),SBLOCK::P=Q
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(b);N_PINP(J),P-FLIGHT::QAR1(K)
        • K(b);N_PINP(J),S_FLIGHT::QAB1(K)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(K);CHECK
      • Vars
        • S(h);N_PINP(J),P_SPINS(h)::P=S
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • P(H);
      • Vars
        • R(f);CHECK,OGATE,P_SPINR(f),XP(J)::QAB1(K),XR(f)
        • K(b);N_PINP(J),P-FLIGHT::QAR1(K)
        • K(b);N_PINP(J),S_FLIGHT::QAB1(K)
        • R(f);SBLOCK::QAB1(H)
        • R(f);SBLOCK::QAR2(H)
        • S(h);N_PINP(J),SBLOCK::P=S
        • S(i);N_PINP(J),SBLOCK::P=Q
      • Refutation
        • P(c);
  • Actual
    • R(E);
    • Vars
      • R(f);CHECK,OGATE,P_SPINR(f),XP(J)::QAB1(K),XR(f)
      • K(b);N_PINP(J),P-FLIGHT::QAR1(K)
      • K(b);N_PINP(J),P_SPINP(c),S_FLIGHT::QAB1(K)
      • R(f);SBLOCK::B(A)+P(B)
      • R(f);SBLOCK::R(F)+B(G)
      • S(h);N_PINP(J),SBLOCK::P=S
      • S(i);N_PINP(J),SBLOCK::P=Q
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