MESON Chess Problem Database

Problem Display
PID: 244587 (8/1b5K/2pb1p1R/B4B2/2Nk1N2/2R3P1/1Q2rp2/3n1r2 w - - 0 1)

Bunka, Vladislav

Sachove umeni (Ceskoslovensky sach), 2010

8/1b5K/2pb1p1R/B4B2/2Nk1N2/2R3P1/1Q2rp2/3n1r2

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Bb6#
      • 2.Qb6#
  • Tries
    • 1.Rd3+?
      • 1...Kc5
        • 2.Qb4#
      • 1...Kxc4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Rc5#
      • 1...Rxe5
        • 2.Qd2#
      • 1...Bxe5
        • 2.Qb4#
      • 1...Sxc3
        • 2.Qxc3#
      • 1...fxe5
        • 2.Rxd6#
      • 1...Re3
        • 2.Rc4#
      • 1...c5
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB1(A)
      • Refutation
        • K(e);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(e);S_FLIGHT,XS(D)::QAB(A)+R(B),DCHECK
      • R(c);N_GUARD,SBLOCK,XS(D)::QAR2(A)
      • B(g);N_GUARD,SBLOCK,XS(D)::QAR2(A)
      • S(a);OGATE,P_SPINS(a),XR(B)::QAB1(A),XS(a)
      • P(h);OGATE,SBLOCK,XS(D)::R(H),XB(g)
      • R(c);SBLOCK::QAB(A)+R(B),DCHECK
      • P(f);SBLOCK::QAB(A)+R(B),DCHECK
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