MESON Chess Problem Database

Problem Display
PID: 72931 (6B1/2P1Pn2/K1p1pb1Q/2Nk2r1/1Pp3nR/6B1/2N5/1R2r3 w - - 0 1)

Baev, Georgy S

Skakbladet, 1930

6B1/2P1Pn2/K1p1pb1Q/2Nk2r1/1Pp3nR/6B1/2N5/1R2r3

#2

11 + 9

57 Tijdschrift vd KNSB 1936
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Ree5
      • 2.Rd1#
    • 1...Rge5
      • 2.Qd2#
    • 1...Be5
      • 2.Qxe6#
    • 1...Sge5
      • 2.Rd4#
    • 1...Sd8
      • 2.cxd8Q#
      • 2.cxd8R#
  • Tries
    • 1.Rd1+?
      • 1...Bd4
        • 2.Rxd4#
      • 1...Rxd1!
  • Keys
    • 1.c8S!
      • threat
        • 2.Sb6#
      • 1...Ree5
        • 2.Rd1#
      • 1...Rge5
        • 2.Qd2#
      • 1...Be5
        • 2.Qxe6#
      • 1...Sge5
        • 2.Rd4#
      • 1...Sfe5
        • 2.Bxe6#
      • 1...e5
        • 2.Bxf7#

This anticipates 72551(1931)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,S_CUTB(h)::R(A)
    • R(e);OGATE::QAR(H)
    • B(h);OGATE::QAB1(H),XP(g)
    • S(c);OGATE::R1(E)
    • S(i);OGATE,P_SPINP(g)::PXS(i)=Q
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • B(h);N_GUARD,P_SPINB(h)::R1(A),XB(h)
      • Refutation
        • R(a);XR(A)
  • Actual
    • P(I);
    • Threat
      • S(I)
    • Vars
      • R(a);N_GUARD,S_CUTB(h)::R(A)
      • R(e);OGATE::QAR(H)
      • B(h);OGATE::QAB1(H),XP(g)
      • S(c);OGATE::R1(E)
      • S(i);OGATE,P_SPINP(g)::B(K),XP(g)
      • P(g);OGATEB,P_SPINS(i)::B(K),XS(i)
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