MESON Chess Problem Database

Problem Display
PID: 204685 (6Qb/8/2R5/2NP4/KPkPpP2/1Rprr3/3pn3/3NqB2 w - - 0 1)

Balcu, Silviu

Revista Romana de Sah, 1954

6Qb/8/2R5/2NP4/KPkPpP2/1Rprr3/3pn3/3NqB2

#2

11 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Sxe3#
    • 1...Bxd4
      • 2.d6#
    • 1...Sxd4
      • 2.Rxc3#
  • Tries
    • 1.Rb1?
      • threat
        • 2.Sb3#
      • 1...Kxd4
        • 2.Sb3#
      • 1...Rxd4
        • 2.Sxe3#
      • 1...Bxd4
        • 2.d6#
      • 1...Sxd4!
    • 1.Rb2?
      • threat
        • 2.Sb3#
      • 1...Kxd4
        • 2.Sb3#
      • 1...Rxd4
        • 2.Sxe3#
      • 1...Bxd4
        • 2.d6#
      • 1...Sxd4!
    • 1.Qd8?
      • threat
        • 2.Se6#
      • 1...Kxd4
        • 2.Se6#
      • 1...Rxd4
        • 2.Sxe3#
      • 1...Sxd4
        • 2.Rxc3#
      • 1...Bxd4!
    • 1.b5?
      • threat
        • 2.Rb4#
      • 1...Kxd4
        • 2.Rb4#
      • 1...Qxd1!
  • Keys
    • 1.Ra3!
      • threat
        • 2.Sb3#
      • 1...Kxd4
        • 2.Sb3#
      • 1...Rxd4
        • 2.Sxe3#
      • 1...Bxd4
        • 2.d6#
      • 1...Sxd4
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,P_SPINS(c),SBLOCK,XP(F)::S(A),XR(f)
    • B(i);SBLOCK,XP(F)::QAB(K)+P(I)
    • S(c);N_GUARD,P_SPINR(e),SBLOCK,XP(F)::R1(C),XP(d)
  • Tries
    • Try
      • R(C);
      • Threat
        • R(J)+S(H)
      • Vars
        • K(g);P-FLIGHT,XP(F)::S(H)
        • R(e);N_GUARD,P_SPINS(c),SBLOCK,XP(F)::S(A),XR(f)
        • B(i);SBLOCK,XP(F)::QAB(K)+P(I)
      • Refutation
        • S(c);P_SPINR(e),XP(F)
    • Try
      • R(C);
      • Threat
        • R(J)+S(H)
      • Vars
        • K(g);P-FLIGHT,XP(F)::S(H)
        • R(e);N_GUARD,P_SPINS(c),SBLOCK,XP(F)::S(A),XR(f)
        • B(i);SBLOCK,XP(F)::QAB(K)+P(I)
      • Refutation
        • S(c);P_SPINR(e),XP(F)
    • Try
      • Q(K);
      • Threat
        • R(J)+S(H)
      • Vars
        • K(g);P-FLIGHT,XP(F)::S(H)
        • R(e);N_GUARD,P_SPINS(c),SBLOCK,XP(F)::S(A),XR(f)
        • S(c);N_GUARD,P_SPINR(e),SBLOCK,XP(F)::R1(C),XP(d)
      • Refutation
        • B(i);XP(F)
    • Try
      • P(E);
      • Threat
        • R1(C)
      • Vars
        • K(g);P-FLIGHT,XP(F)::R(C)
      • Refutation
        • Q(a);P_PINR(C),XS(A)
  • Actual
    • R(C);
    • Threat
      • R(J)+S(H)
    • Vars
      • K(g);P-FLIGHT,XP(F)::S(H)
      • R(e);N_GUARD,P_SPINS(c),SBLOCK,XP(F)::S(A),XR(f)
      • B(i);SBLOCK,XP(F)::QAB(K)+P(I)
      • S(c);N_GUARD,P_SPINR(e),SBLOCK,XP(F)::R1(C),XP(d)
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