MESON Chess Problem Database

Problem Display
PID: 236557 (8/8/1p1N1Kp1/2pNP3/1p2p2R/1P1k4/1p4R1/B7 w - - 0 1)

Heyl, Peter

Rochade Europa, 2009

8/8/1p1N1Kp1/2pNP3/1p2p2R/1P1k4/1p4R1/B7

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rd2#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Rd2#
      • 1...Kd4
        • 2.Rd2#
      • 1...b1S!
    • 1.Rh3+?
      • 1...Kd4
        • 2.Rd2#
      • 1...e3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Rd2#
      • 1...Kd4
        • 2.Rd2#
      • 1...b1S
        • 2.Sf4#
      • 1...e3
        • 2.Sxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINP(a)::R(B)
  • Tries
    • Try
      • S(G);XP(d)
      • Threat
        • R1(B)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::R(B)
      • Refutation
        • P(a);
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::R(B)
      • Refutation
        • P(d);P_SPINP(d)
  • Actual
    • S(G);
    • Threat
      • R1(B)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::R(B)
      • P(a);::S(E)
      • P(d);::S(G),XP(a)
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