MESON Chess Problem Database

Problem Display
PID: 732 (8/5p1K/B7/2P2RNp/3k3r/1P3r2/1P1qb1N1/2QRb3 w - - 0 1)

Visserman, Eeltje

British Chess Magazine, 1946

8/5p1K/B7/2P2RNp/3k3r/1P3r2/1P1qb1N1/2QRb3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Qc4#
    • 1...Rf1
      • 2.Qc3#
    • 1...Rf2
      • 2.Qc3#
    • 1...Rc3
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Rd3
      • 2.Qc4#
    • 1...Rff4
      • 2.Qc3#
    • 1...Bxd1
      • 2.Qc4#
    • 1...Bc4
      • 2.Qxc4#
  • Tries
    • 1.Sxf3+?
      • 1...Bxf3
        • 2.Qc4#
      • 1...Ke4!
    • 1.Bxe2?
      • threat
        • 2.Qc4#
      • 1...Rc3
        • 2.Qxc3#
        • 2.bxc3#
      • 1...Rxf5!
    • 1.Rxd2+?
      • 1...Rd3
        • 2.Qc3#
        • 2.Qc4#
      • 1...Bd3
        • 2.Qc3#
        • 2.Qc4#
      • 1...Bxd2!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Rd5#
      • 1...Kd3
        • 2.Qc3#
      • 1...Rxf5
        • 2.Qc3#
      • 1...Qd3
        • 2.Qc4#
      • 1...Bd3
        • 2.Sxf3#
      • 1...Bc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(b);P_PINR(G),S_CUTB(c)::QAR1(A)
    • R(d);N_GUARD::QAB1(A)
    • R(d);N_SPINQ(b),S_CUTB(c)::QAR1(A)
    • B(c);N_GUARD,N_SPINQ(b),XR(B)::QAR1(A)
    • B(c);N_GUARD::QAR1(A),XB(c)
  • Tries
    • Try
      • S(H);CHECK,XR(d)
      • Vars
        • B(c);XS(H)::QAR1(A)
      • Refutation
        • K(e);N_SPINQ(b),P-FLIGHT
    • Try
      • B(I);XB(c)
      • Threat
        • QAR1(A)
      • Refutation
        • R(d);XR(G)
    • Try
      • R(B);CHECK,XQ(b)
      • Refutation
        • B(a);XR(B)
  • Actual
    • B(I);
    • Threat
      • R1(G)
    • Vars
      • K(e);P-FLIGHT::QAR1(A)
      • R(d);N_GUARD,XR(G)::QAB1(A)
      • Q(b);P_PINR(G),S_CUTB(c)::QAR1(A)
      • B(c);N_GUARD,N_SPINQ(b),P_PINR(G),SBLOCK::S(H),XR(d)
      • B(c);N_GUARD::QAR1(A),XB(c)
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