MESON Chess Problem Database

Problem Display
PID: 41406 (3bQB2/1KP5/1pppp3/k3q3/B6R/8/2N5/R7 w - - 0 1)

Kipping, Cyril Stanley

Pittsburgh Sun, 1921

3bQB2/1KP5/1pppp3/k3q3/B6R/8/2N5/R7

#2

8 + 7

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.Bxc6#
    • 1...Qe2
      • 2.Bxc6#
    • 1...Qf5
      • 2.Bxc6#
    • 1...Qg5
      • 2.Bxc6#
    • 1...Qh5
      • 2.Bxc6#
    • 1...Bxh4
      • 2.Qa8#
    • 1...Bg5
      • 2.Qa8#
    • 1...Bf6
      • 2.Qa8#
    • 1...Bxc7
      • 2.Qa8#
    • 1...Be7
      • 2.Qa8#
    • 1...b5
      • 2.cxd8Q#
      • 2.cxd8B#
    • 1...c5
      • 2.Qb5#
    • 1...d5
      • 2.Bb4#
  • Tries
    • 1.Bb3+?
      • 1...Kb5
        • 2.Qxc6#
      • 1...Qxa1!
    • 1.Bb5+?
      • 1...Kxb5
        • 2.Qxc6#
      • 1...Qxa1!
    • 1.Qxd8?
      • threat
        • 2.Qa8#
      • 1...Qe2
        • 2.Bxc6#
      • 1...Qb5!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Bxc6#
      • 1...Qb5
        • 2.Bb3#
        • 2.Bxb5#
      • 1...Bg5
        • 2.Qa8#
      • 1...b5
        • 2.cxd8Q#
        • 2.cxd8B#
      • 1...c5
        • 2.Qb5#
      • 1...d5
        • 2.Bb4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD::R(A)+B(C),XP(d)
    • B(g);OGATE,SBLOCK,XR(D)::QAR(G)
    • B(g);OGATE::QAR(G)
    • B(g);OGATE,XP(F)::QAR(G)
    • P(c);::PXB(g)=Q
    • P(d);OGATE::QAR1(G)
    • P(e);OGATE::B(H)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(d)::QAB1(G),XP(d)
      • Refutation
        • Q(b);XR(A)
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(d),XB(C)::QAB1(G),XP(d)
      • Refutation
        • Q(b);XR(A)
    • Try
      • Q(G);XB(g)
      • Threat
        • QAR(G)
      • Vars
        • Q(b);N_GUARD::R(A)+B(C),XP(d)
      • Refutation
        • Q(b);
  • Actual
    • R(D);P_PINQ(b)
    • Threat
      • R(A)+B(C),XP(d)
    • Vars
      • B(g);N_SPINQ(b),OGATE::QAR(G)
      • P(c);N_SPINQ(b)::PXB(g)=Q
      • P(d);N_SPINQ(b),OGATE::QAR1(G)
      • P(e);N_SPINQ(b),OGATE::B(H)
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