MESON Chess Problem Database

Problem Display
PID: 245648 (2BQ4/Bp1N1p2/r2n3K/1P1k1ppn/PqR3N1/1p6/4R3/8 w - - 0 1)

Musante, Horacio Luis

Problemas, 1954

2BQ4/Bp1N1p2/r2n3K/1P1k1ppn/PqR3N1/1p6/4R3/8

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Rd4#
    • 1...Qa3
      • 2.Rd4#
    • 1...Qa5
      • 2.Rd4#
    • 1...Qxc4
      • 2.Re5#
    • 1...Rxa4
      • 2.Sb6#
    • 1...Ra5
      • 2.Sb6#
    • 1...Rb6
      • 2.Sxb6#
    • 1...Rxa7
      • 2.Sb6#
    • 1...Sxc4+
      • 2.Sdf6#
    • 1...Se4+
      • 2.Sb6#
    • 1...Sxb5+
      • 2.Sb6#
    • 1...Sxc8+
      • 2.Sb6#
    • 1...Se8+
      • 2.Sb6#
  • Tries
    • 1.Bxb7+?
      • 1...Rc6
        • 2.Sb6#
      • 1...Sxb7+
        • 2.Sb6#
      • 1...Kxc4!
    • 1.Rxb4?
      • threat
        • 2.Re5#
        • 2.Rd4#
      • 1...Sc4+
        • 2.Sdf6#
      • 1...Se4+
        • 2.Sdf6#
      • 1...Sxc8+
        • 2.Sdf6#
      • 1...Se8+
        • 2.Sdf6#
      • 1...Rxa4
        • 2.Re5#
      • 1...Rxa7
        • 2.Re5#
      • 1...Rb6
        • 2.Re5#
      • 1...b6
        • 2.Re5#
      • 1...f6
        • 2.Rd4#
      • 1...Sxb5+!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...Qxc4
        • 2.Re5#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Sxc4
        • 2.Bxb7#
      • 1...Sxb5
        • 2.Se3#
      • 1...Sxc8
        • 2.Se3#
      • 1...Qd2
        • 2.Qc5#
      • 1...Qc3
        • 2.Qc5#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Se4
        • 2.Se3#
      • 1...Se8
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::R1(C)
    • Q(b);SBLOCK,XR(C)::R1(A)
    • R(g);N_GUARD,XP(B)::S(H)
    • R(g);N_GUARD::S(H)
    • R(g);N_GUARD::S(H),XR(g)
    • R(g);N_GUARD,XB(G)::S(H)
    • S(h);CHECK,SBLOCK,XR(C)::QAR(J)+S(H),DCHECK
    • S(h);CHECK::QAR(J)+S(H),DCHECK
    • S(h);CHECK,XP(E)::QAR(J)+S(H),DCHECK
    • S(h);CHECK,XB(I)::QAR(J)+S(H),DCHECK
  • Tries
    • Try
      • B(I);CHECK,XP(i)
      • Vars
        • R(g);P_SPINR(g)::S(H)
        • S(h);CHECK,XB(I)::QAR(J)+S(H),DCHECK
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • R(C);XQ(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(h);CHECK::QAR(J)+S(H),DCHECK
        • S(h);CHECK,XB(I)::QAR(J)+S(H),DCHECK
        • R(g);XP(B)::R1(A)
        • R(g);XB(G)::R1(A)
        • R(g);::R1(A)
        • P(i);::R1(A)
        • P(j);::R1(C)
      • Refutation
        • S(h);CHECK,XP(E)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J)
    • Vars
      • K(c);S_FLIGHT,XR(C)::QAR1(J)
      • Q(b);SBLOCK,XR(C)::R1(A)
      • R(g);XQ(J)::S(H),XR(g)
      • S(h);N_GUARD,P_PINQ(J),SBLOCK,XR(C)::B(I),XP(i)
      • S(h);P_PINQ(J),XP(E)::S(D)
      • S(h);P_PINQ(J),XB(I)::S(D)
      • Q(b);N_GUARD::QAR1(J)
      • Q(b);N_GUARD::QAR1(J),XQ(b)
      • S(h);P_PINQ(J)::S(D)
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