MESON Chess Problem Database

Problem Display
PID: 215968 (K3Nb2/B7/3p1P2/1p4QP/R2Pk1p1/4Pb2/2P2R2/8 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1997

K3Nb2/B7/3p1P2/1p4QP/R2Pk1p1/4Pb2/2P2R2/8

#2

11 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh6
      • 2.Sxd6#
    • 1...Bg7
      • 2.Sxd6#
    • 1...d5
      • 2.Qf4#
      • 2.Qe5#
  • Tries
    • 1.Rb4?
      • threat
        • 2.d5#
      • 1...d5
        • 2.Qf4#
        • 2.Qe5#
      • 1...Be2!
    • 1.Qf5+?
      • 1...Kxe3+
        • 2.d5#
      • 1...Kxf5+!
    • 1.Qg6+?
      • 1...Kxe3+
        • 2.d5#
      • 1...Kd5!
    • 1.d5+?
      • 1...b4
        • 2.Rxb4#
      • 1...bxa4!
    • 1.f7?
      • threat
        • 2.Sf6#
      • 1...Bg7
        • 2.Sxd6#
      • 1...Be7!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qe6#
      • 1...Kxe3+
        • 2.d5#
      • 1...Kf5+
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::S(K),XP(e)
  • Tries
    • Try
      • R(D);
      • Threat
        • R(D)+P(E)
      • Refutation
        • B(a);
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT,XP(C)::B(I)+P(E)
      • Refutation
        • K(b);CHECK,P_SPINB(a),S_FLIGHT,XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT,XP(C)::B(I)+P(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(E);CHECK
      • Vars
        • P(d);P_SPINP(d)::R(D),XP(d)
      • Refutation
        • P(d);XR(D)
    • Try
      • P(H);
      • Threat
        • S(K)
      • Vars
        • B(f);N_GUARD::S(K),XP(e)
      • Refutation
        • B(f);
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(b);CHECK,P-FLIGHT,XP(C)::B(I)+P(E)
      • K(b);CHECK,P_SPINB(a),S_FLIGHT::QAR2(F)
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