MESON Chess Problem Database

Problem Display
PID: 236597 (B4Qnr/4p3/8/2N1k3/2p1P2n/B3P3/3bN2q/1K1R4 w - - 0 1)

Paslack, Rainer

Rochade Europa, 2014

B4Qnr/4p3/8/2N1k3/2p1P2n/B3P3/3bN2q/1K1R4

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qb8#
    • 1...Qg1
      • 2.Qf4#
    • 1...Qf4
      • 2.Qxf4#
    • 1...Qh1
      • 2.Qf4#
    • 1...Qxe2
      • 2.Qf4#
    • 1...Qg2
      • 2.Qf4#
    • 1...Qh3
      • 2.Qf4#
    • 1...Bc1
      • 2.Rd5#
    • 1...Be1
      • 2.Rd5#
    • 1...Bc3
      • 2.Rd5#
    • 1...Bxe3
      • 2.Rd5#
    • 1...Bb4
      • 2.Rd5#
    • 1...Ba5
      • 2.Rd5#
    • 1...Sf6
      • 2.Qxe7#
    • 1...Sh6
      • 2.Qxe7#
    • 1...e6
      • 2.Sd7#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sd7#
      • 1...Kd6
        • 2.Qb8#
      • 1...Qxf4
        • 2.Qxf4#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Qh3!
    • 1.Bd5?
      • threat
        • 2.Sd7#
      • 1...Kd6
        • 2.Qb8#
      • 1...Qh3
        • 2.Qf4#
      • 1...Sf6
        • 2.Qxe7#
      • 1...Bb4!
    • 1.Qg7+?
      • 1...Sf6
        • 2.Qxe7#
      • 1...Kd6!
    • 1.Qf5+?
      • 1...Kd6
        • 2.Sa6#
      • 1...Sxf5!
    • 1.Qf7?
      • threat
        • 2.Sd7#
        • 2.Qe6#
      • 1...Qh3
        • 2.Qf4#
      • 1...Rh6
        • 2.Sd7#
      • 1...Sf6
        • 2.Qe6#
        • 2.Qxe7#
      • 1...e6
        • 2.Sd7#
        • 2.Qxe6#
      • 1...Kd6!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sd7#
      • 1...Kd6
        • 2.Qb8#
      • 1...Qh3
        • 2.Qf4#
      • 1...Bb4
        • 2.Sc6#
      • 1...Sf6
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 12
  • Sets
    • K(e);P_SPINB(a),P_SPINP(f),S_FLIGHT::QAB(I)
    • Q(b);N_GUARD,P_PINR(B)::QAB1(I)
    • Q(b);N_GUARD::QAB1(I),XQ(b)
    • Q(b);N_GUARD,XS(C)::QAB1(I)
    • Q(b);N_GUARD::QAB1(I)
    • B(a);OGATE::R1(B)
    • B(a);OGATE,XP(E)::R1(B)
    • S(g);N_GUARD::QAR2(I),XP(f)
    • P(f);SBLOCK::S(G)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(G)
      • Vars
        • K(e);P_SPINB(a),P_SPINP(f),S_FLIGHT::QAB(I)
        • Q(b);OGATE,XS(C)::QAB1(I),XQ(b)
        • S(g);N_GUARD::QAR2(I),XP(f)
      • Refutation
        • Q(b);
    • Try
      • B(H);
      • Threat
        • S(G)
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT::QAB(I)
        • Q(b);N_GUARD::QAB1(I)
        • S(g);N_GUARD::QAR2(I),XP(f)
      • Refutation
        • B(a);
    • Try
      • Q(I);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(I),XP(f)
      • Refutation
        • K(e);P_SPINB(a),S_FLIGHT
    • Try
      • Q(I);CHECK
      • Vars
        • K(e);P_SPINB(a),S_FLIGHT::B(D)+S(G)
      • Refutation
        • S(d);XQ(I)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);N_GUARD::QAB1(I)
        • R(h);::S(G)
      • Refutation
        • K(e);P_SPINB(a),S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • S(G)
    • Vars
      • K(e);P_SPINP(f),S_FLIGHT::QAB(I)
      • Q(b);N_GUARD::QAB1(I)
      • B(a);::S(C)
      • S(g);N_GUARD::QAR2(I),XP(f)
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