MESON Chess Problem Database

Problem Display
PID: 92040 (2Q5/1P1pRP2/1N1b4/Pp1p1pN1/1p1k1p2/3P1P2/1P3P2/R3K3 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Poesie des Schachs, 2006

2Q5/1P1pRP2/1N1b4/Pp1p1pN1/1p1k1p2/3P1P2/1P3P2/R3K3

#2

13 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Rd1#
    • 1...b3
      • 2.Qc3#
  • Tries
    • 1.Se6+?
      • 1...Kxd3
        • 2.Rd1#
      • 1...Ke5
        • 2.Sxd7#
        • 2.Qh8#
      • 1...dxe6!
    • 1.Re5?
      • threat
        • 2.Rxd5#
      • 1...Kxd3
        • 2.Rd1#
        • 2.Rxd5#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Bxe5!
    • 1.Qc6?
      • threat
        • 2.Qxd5#
      • 1...Kxd3
        • 2.Rd1#
      • 1...dxc6!
  • Keys
    • 1.Rxd7!
      • 1...Kxd3
        • 2.Rd1#
      • 1...Ke5
        • 2.Qh8#
      • 1...Bc7
        • 2.Rxd5#
      • 1...Bc5
        • 2.Rxd5#
      • 1...Be5
        • 2.Rxd5#
      • 1...Be7
        • 2.Rxd5#
      • 1...Bb8
        • 2.Rxd5#
      • 1...Bf8
        • 2.Rxd5#
      • 1...b3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,XP(E)::R(A)
    • P(a);N_GUARD::QAB1(M)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(E)::R(A)
      • Refutation
        • P(h);XS(H)
    • Try
      • R(K);
      • Threat
        • R1(K),XP(e)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(K)::QAB(M)
      • Refutation
        • B(g);XR(K)
    • Try
      • Q(M);
      • Threat
        • QAR1(M),XP(e)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(E)::R(A)
      • Refutation
        • P(h);XQ(M)
  • Actual
    • R(K);XP(h)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(E)::R(A)
      • K(b);S_FLIGHT::QAB(M)
      • B(g);OGATE,P_SPINP(e)::R1(K),XP(e)
      • P(a);N_GUARD::QAB1(M)
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