MESON Chess Problem Database

Problem Display
PID: 207983 (2n5/1NQ1b3/B7/1R1n2p1/3rk1P1/4p3/4R1P1/B3N1K1 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1995

2n5/1NQ1b3/B7/1R1n2p1/3rk1P1/4p3/4R1P1/B3N1K1

#2

10 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qe5#
    • 1...Rd2
      • 2.Qe5#
    • 1...Rd3
      • 2.Qe5#
    • 1...Ra4
      • 2.Qe5#
    • 1...Rb4
      • 2.Qe5#
    • 1...Rc4
      • 2.Qe5#
      • 2.Qxc4#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bf6
      • 2.Sc5#
    • 1...Bd8
      • 2.Sc5#
    • 1...Sc3
      • 2.Qe5#
    • 1...Sb4
      • 2.Qe5#
    • 1...Sf4
      • 2.Re5#
      • 2.Qe5#
    • 1...Sdb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
  • Tries
    • 1.Rxe3+?
      • 1...Sxe3
        • 2.Qe5#
      • 1...Kxe3!
    • 1.Qxc8?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kf4!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sf2#
      • 1...Kxd3
        • 2.Qc2#
      • 1...Rxd3
        • 2.Qe5#
      • 1...Sxc7
        • 2.Re5#
      • 1...Bd6
        • 2.Qh7#
      • 1...Sd6
        • 2.Sbc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 11
  • Sets
    • R(b);P_PINS(B)::QAR1(J)
    • R(b);::QAR1(J)
    • B(f);N_GUARD::S(I),XB(f)
    • B(f);N_GUARD::S(I)
    • S(d);::QAR1(J)
  • Tries
    • Try
      • R(D);CHECK,XP(a)
      • Vars
        • S(d);SBLOCK,XR(D)::QAR1(J)
      • Refutation
        • K(c);P-FLIGHT,XR(D)
    • Try
      • Q(J);XS(g)
      • Threat
        • QAB1(J)
      • Vars
        • K(c);P-FLIGHT,P_SPINR(b),P_SPINS(d)::QAR1(J)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(c);N_SPINP(a),OGATEB,S_FLIGHT,XS(B)::QAB1(J)
      • R(b);SBLOCK,XS(B)::QAR1(J)
      • S(d);OGATE,XQ(J)::R1(G)
      • B(f);OGATE::QAB(J)
      • S(g);S_CUTB(f)::S(I)
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