MESON Chess Problem Database

Problem Display
PID: 244518 (8/p1K5/P2pp3/4p3/Qbk3b1/1p2B3/3RPn2/1N3N2 w - - 0 1)

Fomichev, Evgeny Vasilevich

Zaldo MT (Problemas), 2019

8/p1K5/P2pp3/4p3/Qbk3b1/1p2B3/3RPn2/1N3N2

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qb5#
      • 1...b2
        • 2.Rc2#
        • 2.Qa2#
      • 1...Bf3+!
    • 1.Bc5?
      • threat
        • 2.Qxb4#
      • 1...Kxc5
        • 2.Qc6#
      • 1...dxc5
        • 2.Se3#
      • 1...Sd3!
    • 1.Rc2+?
      • 1...Kd5
        • 2.Qc6#
      • 1...bxc2!
    • 1.Rd4+?
      • 1...Kc5
        • 2.Qc6#
        • 2.Qxb4#
      • 1...exd4!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Qb5#
      • 1...Kxd5
        • 2.Qc6#
      • 1...exd5
        • 2.Sfd2#
      • 1...b2
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Threat
        • QAB1(F)
      • Refutation
        • B(e);CHECK
    • Try
      • B(E);
      • Threat
        • QAR1(F),XB(c)
      • Vars
        • K(d);N_SPINB(c),OGATEB,P-FLIGHT,XB(E)::QAR1(F)
        • P(g);SBLOCK,XB(E)::S(B)
      • Refutation
        • S(a);
    • Try
      • R(C);CHECK
      • Vars
        • K(d);N_SPINB(c),S_FLIGHT::QAB1(F)
      • Refutation
        • P(b);XR(C)
    • Try
      • R(C);CHECK
      • Refutation
        • P(f);XR(C)
  • Actual
    • R(C);
    • Threat
      • QAB1(F)
    • Vars
      • K(d);N_SPINB(c),S_FLIGHT,XR(C)::QAB1(F)
      • P(h);SBLOCK,XR(C)::S(B)
      • P(b);OGATEB::QAB(F)
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