MESON Chess Problem Database

Problem Display
PID: 67861 (bQ6/3pp3/p7/2Bk1P1n/4N3/K2P1n1r/1N4B1/2RR4 w - - 0 1)

Mentasti, Gino

Chess, 1948

bQ6/3pp3/p7/2Bk1P1n/4N3/K2P1n1r/1N4B1/2RR4

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Sf6#
    • 1...Sg1
      • 2.Sf6#
    • 1...Sd2
      • 2.Sf6#
    • 1...Sh2
      • 2.Sf6#
    • 1...Sd4
      • 2.Sf6#
    • 1...Sh4
      • 2.Sf6#
    • 1...Se5
      • 2.Sf6#
    • 1...Sg5
      • 2.Sf6#
    • 1...e5
      • 2.Qd6#
      • 2.Qxa8#
    • 1...e6
      • 2.Qd6#
  • Tries
    • 1.Sc3+?
      • 1...Kc6
        • 2.Qb6#
        • 2.Qc8#
      • 1...Kxc5!
    • 1.Sf6+?
      • 1...Kc6
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bb4#
        • 2.Bd4#
        • 2.Bd6#
        • 2.Ba7#
        • 2.Bxe7#
        • 2.Qb6#
      • 1...exf6
        • 2.Qd6#
      • 1...Sxf6!
    • 1.Bxe7?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Kd4!
    • 1.Qb3+?
      • 1...Kc6
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Bd6#
        • 2.Ba7#
        • 2.Bxe7#
      • 1...Ke5!
  • Keys
    • 1.d4!
      • threat
        • 2.Qxa8#
      • 1...Se1+
        • 2.Sc3#
      • 1...Sg1+
        • 2.Sc3#
      • 1...Sd2+
        • 2.Sc3#
      • 1...Sh2+
        • 2.Sc3#
      • 1...Sxd4+
        • 2.Sg3#
      • 1...Sh4+
        • 2.Sc3#
      • 1...Se5+
        • 2.Sc3#
      • 1...Sg5+
        • 2.Sc3#
      • 1...Kxe4
        • 2.Qe5#
      • 1...Kc6
        • 2.d5#
      • 1...Bc6
        • 2.Sc3#
      • 1...Bb7
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 8
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(a);P_PINP(F)::B(D)+S(G),DCHECK
    • P(g);N_GUARD::QAR1(J)
  • Tries
    • Try
      • S(G);CHECK,P_PINS(a)
      • Refutation
        • K(c);N_SPINS(a),P-FLIGHT,XB(H)
    • Try
      • S(G);CHECK,P_PINS(a)
      • Vars
        • P(g);XS(G)::QAR1(J)
      • Refutation
        • S(d);XS(G)
    • Try
      • B(H);XP(g)
      • Threat
        • QAR1(J)
      • Vars
        • P(f);::QAR1(J),XP(f)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(J);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • QAB(J),XB(h)
    • Vars
      • S(a);CHECK::B(D)+S(G),DCHECK
      • S(a);CHECK,P_SPINS(a),XP(F)::B(D)+S(G)
      • K(c);P_SPINS(a),S_FLIGHT,XS(G)::QAR1(J)
      • K(c);OGATE,S_FLIGHT::P(F)
      • B(h);SBLOCK::S(G)
      • B(h);N_GUARD::QAB(J),XB(h)
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