MESON Chess Problem Database

Problem Display
PID: 259060 (2N3K1/4PB2/1p1B1p1R/r1Qnrk2/3R1p1P/3P3P/2p5/2bbn3 w - - 0 1)

Kovacs, F

Western Morning News, 1923

(First published on Sat Feb 3 1923)

2N3K1/4PB2/1p1B1p1R/r1Qnrk2/3R1p1P/3P3P/2p5/2bbn3

#2

11 + 11

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Rh5#
    • 1...Re3
      • 2.Rxf4#
    • 1...Re4
      • 2.dxe4#
    • 1...Re6
      • 2.Bg6#
    • 1...Rxe7
      • 2.Sxe7#
    • 1...Bh5
      • 2.Rxh5#
    • 1...Sxe7+
      • 2.Sxe7#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Sd6#
      • 1...Sxe7+
        • 2.Sxe7#
      • 1...Rxe7
        • 2.Sxe7#
      • 1...Re2
        • 2.Rh5#
      • 1...Re3
        • 2.Rxf4#
      • 1...Re4
        • 2.dxe4#
      • 1...Re6
        • 2.Bg6#
      • 1...Ra8!
    • 1.e8Q?
      • threat
        • 2.Bg6#
      • 1...Se7+
        • 2.Sxe7#
      • 1...Re7
        • 2.Sxe7#
      • 1...Bh5
        • 2.Rxh5#
      • 1...Rxe8+!
    • 1.e8S?
      • threat
        • 2.Sg7#
      • 1...Se7+
        • 2.Sxe7#
      • 1...Rxe8+!
    • 1.e8R?
      • threat
        • 2.Bg6#
      • 1...Se7+
        • 2.Sxe7#
      • 1...Re7
        • 2.Sxe7#
      • 1...Bh5
        • 2.Rxh5#
      • 1...Rxe8+!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Sd6#
      • 1...Sxe7+
        • 2.Sxe7#
      • 1...Rxe7
        • 2.Sxe7#
      • 1...Re2
        • 2.Rh5#
      • 1...Re3
        • 2.Rxf4#
      • 1...Re4
        • 2.dxe4#
      • 1...Re6
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(h);P_SPINS(g),S_CUTB(b)::R(G)
    • R(h);P_SPINS(g),S_CUTB(a)::R1(C),XP(e)
    • R(h);OGATE,P_SPINS(g)::P(A),XR(h)
    • R(h);P_SPINS(g),SBLOCK::B(I)
    • R(h);P_SPINS(g),XP(H)::S(J),XR(h)
    • B(b);N_GUARD::R(G),XB(b)
    • S(g);CHECK,P_SPINR(h),XP(H)::S(J),XS(g)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,P_SPINR(h),XP(H)::S(J),XS(g)
        • R(h);P_SPINS(g),XP(H)::S(J),XR(h)
        • R(h);P_SPINS(g),S_CUTB(b)::R(G)
        • R(h);P_SPINS(g),S_CUTB(a)::R1(C),XP(e)
        • R(h);OGATE,P_SPINS(g)::P(A),XR(h)
        • R(h);P_SPINS(g),SBLOCK::B(I)
      • Refutation
        • R(f);P_PINS(J)
    • Try
      • P(H);
      • Threat
        • B(I)
      • Vars
        • S(g);CHECK,N_GUARD,P_SPINR(h)::S(J),XS(g)
        • R(h);N_GUARD,P_SPINS(g)::S(J),XR(h)
        • B(b);N_GUARD::R(G),XB(b)
      • Refutation
        • R(h);CHECK,P_SPINS(g),XQ(H)
    • Try
      • P(H);
      • Threat
        • S(H)
      • Vars
        • S(g);CHECK,N_GUARD,P_SPINR(h)::S(J),XS(g)
      • Refutation
        • R(h);CHECK,P_SPINS(g),XS(H)
    • Try
      • P(H);
      • Threat
        • B(I)
      • Vars
        • S(g);CHECK,N_GUARD,P_SPINR(h)::S(J),XS(g)
        • R(h);N_GUARD,P_SPINS(g)::S(J),XR(h)
        • B(b);N_GUARD::R(G),XB(b)
      • Refutation
        • R(h);CHECK,P_SPINS(g),XR(H)
  • Actual
    • B(F);
    • Threat
      • S(J)
    • Vars
      • S(g);CHECK,P_SPINR(h),XP(H)::S(J),XS(g)
      • R(h);P_SPINS(g),XP(H)::S(J),XR(h)
      • R(h);P_SPINS(g),S_CUTB(b)::R(G)
      • R(h);P_SPINS(g),S_CUTB(a)::R1(C),XP(e)
      • R(h);OGATE,P_SPINS(g)::P(A),XR(h)
      • R(h);P_SPINS(g),SBLOCK::B(I)
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