MESON Chess Problem Database

Problem Display
PID: 67368 (N7/1p1B4/1Prb4/7K/k1PR4/P1Q5/8/8 w - - 0 1)

Orlik, Peter

Die Schwalbe, 2006

N7/1p1B4/1Prb4/7K/k1PR4/P1Q5/8/8

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qb4#
    • 1...Bg3
      • 2.Qb4#
    • 1...Bb4
      • 2.Qxb4#
    • 1...Bf4
      • 2.Qb4#
    • 1...Be5
      • 2.Qb4#
    • 1...Bc7
      • 2.Qb4#
    • 1...Bb8
      • 2.Qb4#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Bd1#
      • 1...Rxc4
        • 2.Bd7#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Rc5+!
    • 1.Rd5?
      • threat
        • 2.Ra5#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Bc5!
    • 1.Qb3+?
      • 1...Ka5
        • 2.Qb5#
      • 1...Kxb3!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Bc2#
      • 1...Rxc4
        • 2.Bd7#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Rc5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(c);N_GUARD,SBLOCK::QAR1(B)
    • B(c);N_GUARD::QAR1(B)
    • B(c);N_GUARD::QAR1(B),XB(c)
  • Tries
    • Try
      • B(G);N_PINR(b)
      • Threat
        • B(G)
      • Vars
        • R(b);OGATEB,P_SPINR(b),XP(C)::B(G)
        • R(b);XP(F)::S(H),XR(b)
        • B(c);N_GUARD::QAR1(B),XB(c)
      • Refutation
        • R(b);CHECK
    • Try
      • R(D);
      • Threat
        • R1(D)
      • Vars
        • B(c);N_GUARD::QAR1(B),XB(c)
      • Refutation
        • B(c);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT,XQ(B)
  • Actual
    • B(G);N_PINR(b)
    • Threat
      • B(G)
    • Vars
      • R(b);OGATEB,P_SPINR(b),XP(C)::B(G)
      • R(b);XP(F)::S(H),XR(b)
      • B(c);N_GUARD::QAR1(B),XB(c)
      • R(b);P_PINB(G),S_CUTB(c)::QAR1(B)
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