MESON Chess Problem Database

Problem Display
PID: 269902 (1B1RK3/8/6n1/1Bpp1P2/2p1k1p1/R2pP3/N5P1/5Q2 w - - 0 1)

Tompuri, Ismo

Tehtavaniekka, 2021

1B1RK3/8/6n1/1Bpp1P2/2p1k1p1/R2pP3/N5P1/5Q2

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sh4
      • 2.Qf4#
    • 1...Se5
      • 2.Qf4#
    • 1...Se7
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
    • 1...Sh8
      • 2.Qf4#
    • 1...d2
      • 2.Qb1#
    • 1...c3
      • 2.Qxd3#
    • 1...g3
      • 2.Qf3#
  • Tries
    • 1.Rxd3?
      • threat
        • 2.Sc3#
      • 1...cxd3
        • 2.Qxd3#
      • 1...d4
        • 2.Bc6#
      • 1...c3
        • 2.Sxc3#
      • 1...Sf4!
    • 1.Qf2?
      • threat
        • 2.Sc3#
      • 1...Sf4
        • 2.Qxf4#
      • 1...d4
        • 2.Bc6#
      • 1...c3
        • 2.Sxc3#
      • 1...d2!
  • Keys
    • 1.Rxd5!
      • 1...Kxe3
        • 2.Qe1#
      • 1...Kxd5
        • 2.Sc3#
      • 1...Sf4
        • 2.Re5#
      • 1...Sh4
        • 2.Re5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Se7
        • 2.Re5#
      • 1...Sf8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#
      • 1...d2
        • 2.Qxc4#
      • 1...c3
        • 2.Qxd3#
      • 1...g3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 7
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAR1(A),XS(g)
    • S(g);N_GUARD::QAR1(A)
    • P(a);OGATEB::QAB(A)
    • P(b);N_GUARD::QAB1(A),XP(a)
    • P(d);N_GUARD::QAB1(A)
  • Tries
    • Try
      • R(D);XP(a)
      • Threat
        • S(B)
      • Vars
        • P(b);OGATE,XR(D)::QAB1(A),XP(b)
        • P(f);OGATEB::B(F)
        • P(b);::S(B),XP(b)
      • Refutation
        • S(g);
    • Try
      • Q(A);
      • Threat
        • S(B)
      • Vars
        • S(g);N_GUARD::QAR1(A),XS(g)
        • P(f);OGATEB::B(F)
        • P(b);::S(B),XP(b)
      • Refutation
        • P(a);
  • Actual
    • R(I);XP(f)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(a),XP(E)::QAR2(A)
      • K(c);N_GUARD,S_FLIGHT,XR(I)::S(B)
      • S(g);N_GUARD::R1(I)
      • S(g);N_GUARD::R1(I),XS(g)
      • P(a);OGATE::QAR2(A),XP(b)
      • P(b);N_GUARD::QAB1(A),XP(a)
      • P(d);N_GUARD::QAB1(A)
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