MESON Chess Problem Database

Problem Display
PID: 243712 (1n1R4/3b3B/p4PR1/2K1N3/QP2k2N/2p1n3/4p3/2B5 w - - 0 1)

Baturin, Aleksandr Adrianovich

Shakhmaty i Shashki, 1931

1n1R4/3b3B/p4PR1/2K1N3/QP2k2N/2p1n3/4p3/2B5

#2

10 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rg4#
      • 1...Kxd3
        • 2.Rg3#
      • 1...Bg4
        • 2.Rxg4#
        • 2.Rd4#
      • 1...Bf5
        • 2.Rd4#
      • 1...Sg4
        • 2.Rxg4#
      • 1...Sf5!
    • 1.Sef3?
      • threat
        • 2.Rg4#
      • 1...Kf4
        • 2.b5#
      • 1...Bg4
        • 2.Rxg4#
        • 2.Rd4#
      • 1...Bf5
        • 2.Rd4#
      • 1...Sg4
        • 2.Rxg4#
        • 2.Qc2#
      • 1...Sf5
        • 2.Qc2#
      • 1...Kd3!
    • 1.Sxd7?
      • threat
        • 2.Rg4#
      • 1...Kd3
        • 2.Rg3#
      • 1...Kf4
        • 2.b5#
      • 1...Sg4
        • 2.Rxg4#
        • 2.Rg5#
        • 2.Rh6#
        • 2.Rg7#
        • 2.Rgg8#
        • 2.Qc2#
      • 1...Sf5
        • 2.Qc2#
      • 1...Sxd7+!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Rg4#
      • 1...Kd3
        • 2.Rg3#
      • 1...Kf4
        • 2.b5#
      • 1...Bg4
        • 2.Rxg4#
        • 2.Rd4#
      • 1...Bf5
        • 2.Rd4#
      • 1...Sg4
        • 2.Rxg4#
        • 2.Qc2#
      • 1...Sf5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • B(I)+R(H),DCHECK
      • Vars
        • K(d);P_SPINB(f),S_FLIGHT,XS(F)::B(I)+R(H)
        • B(f);OGATE::R1(J)
        • S(c);::B(I)+R(H),DCHECK,XS(c)
      • Refutation
        • S(c);
    • Try
      • S(F);
      • Threat
        • B(I)+R(H),DCHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINS(c)::QAR(B)+P(C)
        • B(f);OGATE::R1(J)
        • S(c);N_GUARD::QAB(B)
      • Refutation
        • K(d);P_SPINB(f),S_FLIGHT
    • Try
      • S(F);XB(f)
      • Threat
        • B(I)+R(H),DCHECK
      • Vars
        • K(d);S_FLIGHT::B(I)+R(H)
        • K(d);P-FLIGHT,P_SPINS(c)::QAR(B)+P(C)
        • S(c);N_GUARD::QAB(B)
      • Refutation
        • S(g);CHECK,XS(F)
  • Actual
    • S(F);
    • Threat
      • B(I)+R(H),DCHECK
    • Vars
      • K(d);P_SPINB(f),S_FLIGHT::B(I)+R(H)
      • K(d);P-FLIGHT,P_SPINS(c)::QAR(B)+P(C)
      • B(f);OGATE::R1(J)
      • S(c);N_GUARD::QAB(B)
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