MESON Chess Problem Database

Problem Display
PID: 200564 (2RB4/1p2p3/pNp5/2kP1N2/KnP1p3/1R1rr3/2n4Q/5B2 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Problemas, 1993

2RB4/1p2p3/pNp5/2kP1N2/KnP1p3/1R1rr3/2n4Q/5B2

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sd7#
    • 1...Rd2
      • 2.Sd7#
    • 1...Rxb3
      • 2.Sd7#
    • 1...Rc3
      • 2.Sd7#
    • 1...Rd4
      • 2.Sd7#
    • 1...Sa2
      • 2.Bxe7#
    • 1...e6
      • 2.Qd6#
  • Tries
    • 1.Ka5?
      • threat
        • 2.Bxe7#
      • 1...Rxd5
        • 2.Sa4#
      • 1...e5
        • 2.Be7#
      • 1...e6
        • 2.Be7#
        • 2.Qd6#
      • 1...Sxd5!
    • 1.Qxc2?
      • threat
        • 2.Sd7#
      • 1...Sxc2
        • 2.Bxe7#
      • 1...Rxd5!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qxe7#
      • 1...Rxd5
        • 2.Sd7#
      • 1...Sxd5
        • 2.Bxe7#
      • 1...e6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(b);::S(H)
    • R(b);XR(C)::S(H)
    • S(d);::B(J),XP(j)
    • P(j);N_GUARD::QAB1(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • B(J),XP(j)
      • Vars
        • R(b);XP(F)::S(H)
        • P(j);::B(J)
      • Refutation
        • S(d);XP(F)
    • Try
      • Q(B);XS(a)
      • Threat
        • S(H)
      • Vars
        • S(d);XQ(B)::B(J),XP(j)
      • Refutation
        • R(b);XP(F)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(j)
    • Vars
      • R(b);P_SPINR(b),XP(F)::S(H)
      • S(d);P_SPINS(d),XP(F)::B(J),XP(j)
      • P(j);N_GUARD::QAB1(B)
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