MESON Chess Problem Database

Problem Display
PID: 270506 (8/1p1QRN2/1p1P2pK/1pPpP3/2n1k1Pb/1NR1pbP1/2P3P1/8 w - - 0 1)

Svitek, Miroslav

Probleemblad, 2022

8/1p1QRN2/1p1P2pK/1pPpP3/2n1k1Pb/1NR1pbP1/2P3P1/8

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg4
      • 2.Qxg4#
    • 1...Bg5+
      • 2.Sxg5#
    • 1...Sxe5
      • 2.Rxe5#
    • 1...Sxd6
      • 2.Sxd6#
    • 1...e2
      • 2.gxf3#
    • 1...d4
      • 2.Qxb7#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Rd4#
      • 1...Bg5+
        • 2.Sxg5#
      • 1...bxc5
        • 2.Sxc5#
      • 1...d4
        • 2.Rxd4#
        • 2.Qxb7#
      • 1...e2
        • 2.gxf3#
      • 1...Bxg2!
    • 1.Rxc4+?
      • 1...dxc4
        • 2.Qxb7#
      • 1...d4
        • 2.Rxd4#
        • 2.Qxb7#
      • 1...bxc4!
  • Keys
    • 1.Kxg6!
      • threat
        • 2.Qf5#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Bxg4
        • 2.Qxg4#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...d4
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • B(b);OGATE,XP(F)::QAR2(K),XB(b)
    • B(e);CHECK,N_GUARD::S(M),XB(e)
    • S(c);OGATE,P_SPINS(c),XP(H)::R1(L),XS(c)
    • S(c);XP(I)::S(M),XS(c)
    • P(a);::P(B),XB(b)
    • P(g);OGATEB::QAB(K),XP(j)
    • P(i);N_GUARD::QAB1(K)
  • Tries
    • Try
      • R(D);
      • Threat
        • R1(D)
      • Vars
        • B(e);CHECK,N_GUARD::S(M),XB(e)
        • P(h);XP(G)::S(C),XP(h)
        • P(a);::P(B),XB(b)
      • Refutation
        • B(b);XP(B)
    • Try
      • R(D);CHECK,XS(c)
      • Vars
        • P(g);S_CUTP(f),XR(D)::QAB(K),XP(j)
      • Refutation
        • P(f);XR(D)
  • Actual
    • K(J);P-FLIGHT,XP(i)
    • Threat
      • QAB1(K)
    • Vars
      • S(c);CHECK,OGATE,P_SPINS(c),XP(H)::R1(L),XS(c)
      • B(b);OGATE,XP(F)::QAR2(K),XB(b)
      • S(c);XP(I)::S(M),XS(c)
      • P(g);OGATEB::QAB(K),XP(j)
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