MESON Chess Problem Database

Problem Display
PID: 256948 (1n6/3pR1K1/2p3N1/3k2p1/4pB2/1bQ1p3/8/3r4 w - - 0 1)

Vasilenko, Anatoly Grigorovich

StrateGems, 2021

1n6/3pR1K1/2p3N1/3k2p1/4pB2/1bQ1p3/8/3r4

#2

5 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Qe5#
  • Tries
    • 1.Bxe3?
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qe5#
      • 1...c5
        • 2.Qxc5#
      • 1...Rc1
        • 2.Qd4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bc4
        • 2.Qe5#
      • 1...d6
        • 2.Qxb3#
      • 1...Sa6!
    • 1.Qb4?
      • threat
        • 2.Re5#
      • 1...Bc4
        • 2.Qd6#
      • 1...c5
        • 2.Qxe4#
      • 1...d6!
    • 1.Qxb3+?
      • 1...Kd4
        • 2.Bxe3#
      • 1...Kc5!
  • Keys
    • 1.Re6!
      • threat
        • 2.Rd6#
      • 1...Kxe6
        • 2.Qe5#
      • 1...gxf4
        • 2.Sxf4#
      • 1...dxe6
        • 2.Se7#
      • 1...Bc4
        • 2.Qe5#
      • 1...d6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • B(B);XP(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(e);N_GUARD,P-FLIGHT::QAB1(A)
        • P(g);::QAR1(A),XP(g)
        • R(a);N_GUARD::QAR1(A)
        • R(a);N_GUARD::QAR1(A),XR(a)
        • B(b);SBLOCK::QAR1(A)
        • P(h);SBLOCK::QAB(A),XB(b)
      • Refutation
        • S(i);
    • Try
      • Q(A);
      • Threat
        • R1(D)
      • Vars
        • B(b);SBLOCK::QAR1(A)
        • P(g);SBLOCK::QAB1(A),XP(d)
      • Refutation
        • P(h);
    • Try
      • Q(A);CHECK,XB(b)
      • Vars
        • K(e);N_GUARD,P-FLIGHT::B(B),XP(c)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(e);N_GUARD,S_FLIGHT,XR(D)::QAR1(A)
      • P(f);XB(B)::S(C),XP(f)
      • P(h);SBLOCK,XR(D)::S(C)
      • B(b);SBLOCK::QAR1(A)
      • P(h);::R1(D),XP(h)
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Developed and maintained by Brian Stephenson.
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