MESON Chess Problem Database

Problem Display
PID: 245630 (8/4N1QB/3n4/B1br4/3R1P2/1p1pkb2/1N1R2p1/K1n5 w - - 0 1)

Musante, Horacio Luis

Arbejder-Skak, 1951

8/4N1QB/3n4/B1br4/3R1P2/1p1pkb2/1N1R2p1/K1n5

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Sd1#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Se4
      • 2.Sxd5#
    • 1...Sb5
      • 2.Sc4#
    • 1...Sf5
      • 2.Sc4#
    • 1...Sb7
      • 2.Sc4#
    • 1...Sf7
      • 2.Sc4#
    • 1...Sc8
      • 2.Sc4#
    • 1...Se8
      • 2.Sc4#
    • 1...g1Q
      • 2.Qxg1#
    • 1...g1S
      • 2.Qxg1#
    • 1...g1B
      • 2.Qxg1#
    • 1...g1R
      • 2.Qxg1#
  • Tries
    • 1.Sf5+?
      • 1...Sxf5
        • 2.Sc4#
      • 1...Rxf5!
    • 1.Re4+?
      • 1...Sxe4
        • 2.Sxd5#
      • 1...Bxe4!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qf2#
      • 1...Kxd4
        • 2.Qf2#
      • 1...Rxd4
        • 2.Sd1#
      • 1...Bxd4
        • 2.Sxd5#
      • 1...g1Q
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...Se2
        • 2.R2xd3#
      • 1...Se4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • S(a);S_CUTB(f)::S(B)
    • S(i);N_GUARD::S(B),XS(i)
    • S(i);S_CUTB(f)::S(G),XR(h)
    • S(i);N_GUARD::S(B)
    • P(b);OGATE::QAB(H),XQ(b)
    • P(b);OGATE::QAB(H),XS(b)
    • P(b);OGATE::QAB(H),XB(b)
    • P(b);OGATE::QAB(H),XR(b)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • S(i);XS(G)::S(B)
      • Refutation
        • R(h);XS(G)
    • Try
      • R(D);CHECK
      • Vars
        • S(i);XR(D)::S(G),XR(h)
      • Refutation
        • B(f);XR(D)
  • Actual
    • Q(H);P_PINB(f)
    • Threat
      • QAB1(H)
    • Vars
      • K(e);N_SPINB(f),P_SPINP(d),S_FLIGHT,XR(D)::QAB(H)
      • R(h);SBLOCK,XR(D)::S(B)
      • B(g);P_PINS(B),SBLOCK,XR(D)::S(G),XR(h)
      • P(b);OGATE::QAB(H),XQ(b)
      • P(b);OGATE::QAB(H),XB(b)
      • S(a);N_GUARD,SBLOCK::R1(C),XP(d)
      • S(i);N_GUARD::R1(D),XS(i)
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