MESON Chess Problem Database

Problem Display
PID: 55077 (b4b1q/5r2/3p4/4p2B/Q7/1K6/P2pP2R/5kBR w - - 0 1)

Burger, Robert Eugene

The Problemist Supplement, 2004

b4b1q/5r2/3p4/4p2B/Q7/1K6/P2pP2R/5kBR

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Bf2#
    • 1...Rf3+
      • 2.Be3#
    • 1...Rb7+
      • 2.Bb6#
    • 1...e4
      • 2.Bf2#
      • 2.Be3#
      • 2.Bd4#
      • 2.Bc5#
      • 2.Bb6#
      • 2.Ba7#
    • 1...d5
      • 2.Bf2#
      • 2.Be3#
      • 2.Bd4#
      • 2.Bc5#
      • 2.Bb6#
      • 2.Ba7#
  • Tries
    • 1.Ka3?
      • threat
        • 2.Qd1#
      • 1...Rf3+
        • 2.Be3#
      • 1...d5+
        • 2.Bc5#
      • 1...Ke1
        • 2.Bf2#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Ra7!
    • 1.Kc3?
      • threat
        • 2.Qd1#
      • 1...Rf3+
        • 2.Be3#
      • 1...d1S+
        • 2.Qxd1#
      • 1...e4+
        • 2.Bd4#
      • 1...Ke1
        • 2.Bf2#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Rc7+!
    • 1.Kb4?
      • threat
        • 2.Qd1#
      • 1...Rb7+
        • 2.Bb6#
      • 1...d5+
        • 2.Bc5#
      • 1...Ke1
        • 2.Bf2#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Rf4+!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qd1#
      • 1...Rb7+
        • 2.Bb6#
      • 1...d1S+
        • 2.Qxd1#
      • 1...e4+
        • 2.Bd4#
      • 1...Ke1
        • 2.Bf2#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#

This is after 52664

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::R(B)+B(A),DCHECK
    • R(e);CHECK,S_CUTB(f)::R(B)+B(A)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAR2(G)
      • Vars
        • R(e);CHECK,S_CUTB(f)::R(B)+B(A)
        • P(d);CHECK,S_CUTB(f)::R(B)+B(A)
        • K(a);P-FLIGHT::R(B)+B(A),DCHECK
        • P(b);::QAR2(G),XQ(b)
        • P(b);::QAR2(G),XS(b)
        • P(b);::QAR2(G),XB(b)
        • P(b);::QAR2(G),XR(b)
      • Refutation
        • R(e);P_PINQ(G)
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAR2(G)
      • Vars
        • R(e);CHECK,S_CUTB(f)::R(B)+B(A)
        • P(b);CHECK::QAR2(G),XS(b)
        • P(c);CHECK,S_CUTB(f)::R(B)+B(A)
        • K(a);P-FLIGHT::R(B)+B(A),DCHECK
        • P(b);::QAR2(G),XQ(b)
        • P(b);::QAR2(G),XB(b)
        • P(b);::QAR2(G),XR(b)
      • Refutation
        • R(e);CHECK
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAR2(G)
      • Vars
        • R(e);CHECK,S_CUTB(f)::R(B)+B(A)
        • P(d);CHECK,S_CUTB(f)::R(B)+B(A)
        • K(a);P-FLIGHT::R(B)+B(A),DCHECK
        • P(b);::QAR2(G),XQ(b)
        • P(b);::QAR2(G),XS(b)
        • P(b);::QAR2(G),XB(b)
        • P(b);::QAR2(G),XR(b)
      • Refutation
        • R(e);CHECK
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • QAR2(G)
    • Vars
      • R(e);CHECK,S_CUTB(f)::R(B)+B(A)
      • P(b);CHECK::QAR2(G),XS(b)
      • P(c);CHECK,S_CUTB(f)::R(B)+B(A)
      • K(a);P-FLIGHT::R(B)+B(A),DCHECK
      • P(b);::QAR2(G),XQ(b)
      • P(b);::QAR2(G),XB(b)
      • P(b);::QAR2(G),XR(b)
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