MESON Chess Problem Database

Problem Display
PID: 245652 (q3R3/2P1N1b1/8/1N6/2B1kB2/2rr2p1/3p2K1/5Q2 w - - 0 1)

Musante, Horacio Luis

L'Italia Scacchistica, 1955

q3R3/2P1N1b1/8/1N6/2B1kB2/2rr2p1/3p2K1/5Q2

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Bxd3#
    • 1...Rc2
      • 2.Bxd3#
    • 1...Rd4
      • 2.Sxc3#
    • 1...Bd4
      • 2.Sd6#
  • Tries
    • 1.Sc8+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kf5+!
    • 1.Bg5?
      • threat
        • 2.Qf4#
        • 2.Qf5#
      • 1...Ke5+
        • 2.Sc6#
      • 1...Qd5
        • 2.Qf4#
      • 1...Qc8
        • 2.Qf4#
      • 1...Rd5
        • 2.Qf4#
      • 1...Be5
        • 2.Qf5#
      • 1...Rf3!
    • 1.Bh6?
      • threat
        • 2.Qf4#
        • 2.Qf5#
      • 1...Ke5+
        • 2.Sc6#
      • 1...Bxh6
        • 2.Sc8#
      • 1...Qd5
        • 2.Qf4#
      • 1...Qc8
        • 2.Qf4#
      • 1...Rd5
        • 2.Qf4#
      • 1...Be5
        • 2.Qf5#
      • 1...Rf3!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qf4#
      • 1...Kxe3+
        • 2.Sd5#
      • 1...Ke5+
        • 2.Sc6#
      • 1...Rxe3
        • 2.Qf5#
      • 1...Be5
        • 2.Qf3#
      • 1...Bh6
        • 2.Sc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::B(C),XR(c)
    • R(c);N_GUARD,SBLOCK,S_CUTB(f)::S(E),XR(b)
    • B(f);SBLOCK,S_CUTR(c)::S(E)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(H),XB(f)
      • Refutation
        • K(e);CHECK,S_FLIGHT
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);CHECK,P-FLIGHT::R(H)+S(G),DCHECK
        • Q(g);::QAR1(A)
        • R(c);::QAR1(A)
        • B(f);::QAB1(A)
      • Refutation
        • R(c);
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);CHECK,P-FLIGHT::R(H)+S(G),DCHECK
        • B(f);N_GUARD,XB(D)::R(H)+S(G)
        • Q(g);::QAR1(A)
        • R(c);::QAR1(A)
        • B(f);::QAB1(A)
      • Refutation
        • R(c);
  • Actual
    • B(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(e);CHECK,P-FLIGHT,XB(D)::R(H)+S(G),DCHECK
      • K(e);CHECK,P-FLIGHT::R(H)+S(G),DCHECK
      • R(c);SBLOCK,XB(D)::QAB1(A)
      • B(f);SBLOCK::QAB1(A)
      • B(f);N_GUARD::R(H)+S(G)
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