MESON Chess Problem Database

Problem Display
PID: 268044 (N4N2/3Pp2P/P2kp3/1PRrR1P1/3p3K/5PP1/3BP3/Q4B2 w - - 0 1)

Brada, Miroslav

The Problemist, 1999

N4N2/3Pp2P/P2kp3/1PRrR1P1/3p3K/5PP1/3BP3/Q4B2

#2

16 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Rc6#
  • Tries
    • 1.Bb4?
      • threat
        • 2.Rcxd5#
        • 2.Rxe6#
      • 1...Rxc5
        • 2.Qxd4#
      • 1...Rxe5
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe5!
    • 1.Bf4?
      • threat
        • 2.Rc6#
        • 2.Rexd5#
      • 1...Rxc5
        • 2.d8Q#
        • 2.d8R#
      • 1...Rxe5
        • 2.Qxd4#
      • 1...Kxc5!
    • 1.Qc1?
      • threat
        • 2.Rxe6#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...Rxe5
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe5!
    • 1.Qa3?
      • threat
        • 2.Rcxd5#
        • 2.Rxe6#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...Rxe5
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe5!
    • 1.h8Q?
      • threat
        • 2.Rc6#
      • 1...Rxc5
        • 2.d8Q#
        • 2.d8R#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...Kxc5!
  • Keys
    • 1.e4!
      • 1...Kxc5
        • 2.Qa3#
      • 1...Kxe5
        • 2.Bf4#
      • 1...Rxc5
        • 2.Rxe6#
      • 1...Rxe5
        • 2.Rc6#
      • 1...dxe4 ep
        • 2.Rc6#
      • 1...d3
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(a);::R1(I)
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);OGATEB,P_SPINR(b),XR(I)::QAR2(A),XP(a)
        • R(b);XR(J)::P=Q
      • Refutation
        • K(c);P_SPINP(a),P_SPINR(b),S_FLIGHT,XR(J)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XR(I)::P=Q
        • R(b);OGATEB,P_SPINR(b),XR(J)::QAR2(A),XP(a)
      • Refutation
        • K(c);P_SPINR(b),S_FLIGHT,XR(I)
    • Try
      • Q(A);
      • Threat
        • R1(J),XP(d)
      • Vars
        • R(b);OGATE,XR(I)::QAB1(A),XR(b)
        • R(b);XR(J)::P=Q
      • Refutation
        • K(c);P_SPINR(b),S_FLIGHT,XR(J)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);OGATE,P_SPINR(b),XR(I)::QAB1(A),XR(b)
        • R(b);XR(J)::P=Q
      • Refutation
        • K(c);P_SPINR(b),S_FLIGHT,XR(J)
    • Try
      • P(N);
      • Threat
        • R1(I)
      • Vars
        • R(b);XR(I)::P=Q
        • R(b);OGATE,XR(J)::QAB1(N),XR(b)
      • Refutation
        • K(c);P_SPINR(b),S_FLIGHT,XR(I)
  • Actual
    • P(D);
    • Vars
      • K(c);OGATEB,P_SPINR(b),S_FLIGHT,XR(I)::QAB(A)
      • K(c);OGATEB,P_SPINP(a),P_SPINR(b),S_FLIGHT,XR(J)::B(C)
      • R(b);SBLOCK,XR(I)::R1(J),XP(d)
      • R(b);SBLOCK,XR(J)::R1(I)
      • P(a);EP,XP(D)::R1(I)
      • P(a);::R1(I)
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