MESON Chess Problem Database

Problem Display
PID: 245774 (5Rq1/6r1/p2rkPP1/1N1Rp1PB/1N6/1Qp4b/K6B/8 w - - 0 1)

Wrobel, Marian

Revista Romana de Sah, 1949

5Rq1/6r1/p2rkPP1/1N1Rp1PB/1N6/1Qp4b/K6B/8

#2

11 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Rxe5#
    • 1...Kd7
      • 2.Rxd6#
    • 1...Rdd7
      • 2.Rxe5#
    • 1...Rgd7
      • 2.Rxe5#
    • 1...Bf1
      • 2.Bg4#
    • 1...Bg2
      • 2.Bg4#
    • 1...Bg4
      • 2.Bxg4#
    • 1...Bf5
      • 2.Rxd6#
    • 1...c2
      • 2.Qxh3#
  • Tries
    • 1.Rc5+?
      • 1...Kf5
        • 2.Rxe5#
      • 1...Kd7
        • 2.Rc7#
      • 1...Rd5!
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qxh3#
      • 1...Kf5
        • 2.Qxe5#
      • 1...Kd7
        • 2.Qc8#
      • 1...Bf1
        • 2.Bg4#
      • 1...Bg2
        • 2.Bg4#
      • 1...Bg4
        • 2.Bxg4#
      • 1...Bf5
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(f);P_SPINP(c),S_FLIGHT::R1(F),XP(c)
    • K(f);P_SPINR(e),S_FLIGHT::R1(F),XR(e)
    • R(e);SBLOCK::QAB(C)+R(F),DCHECK,XP(c)
    • R(g);SBLOCK::QAB(C)+R(F),DCHECK,XP(c)
    • B(b);N_GUARD::B(H)
    • B(b);N_GUARD::B(H),XB(b)
    • B(b);SBLOCK::QAB(C)+R(F),DCHECK,XR(e)
    • P(a);OGATE::QAB(C),XB(b)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(f);P_PINQ(C),P_SPINP(c),S_FLIGHT::R1(F),XP(c)
        • K(f);P_PINQ(C),S_FLIGHT::R1(F)
      • Refutation
        • R(e);P_SPINR(e)
  • Actual
    • Q(C);XP(a)
    • Threat
      • QAB(C),XB(b)
    • Vars
      • K(f);P_PINR(F),P_SPINP(c),S_FLIGHT::QAR1(C),XP(c)
      • K(f);P_PINR(F),P_SPINR(e),S_FLIGHT::QAB1(C)
      • B(b);N_GUARD::B(H)
      • B(b);N_GUARD::B(H),XB(b)
      • B(b);SBLOCK::R1(F),XR(e)
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