MESON Chess Problem Database

Problem Display
PID: 161207 (6B1/2N2n2/8/1np5/4R3/3kP3/6Q1/K3B3 w - - 0 1)

Aschenazi, Marcel

Revista Romana de Sah, 1952

6B1/2N2n2/8/1np5/4R3/3kP3/6Q1/K3B3

#2

7 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Bc4#
    • 1...Sh6
      • 2.Bc4#
    • 1...Sd8
      • 2.Bc4#
    • 1...Sh8
      • 2.Bc4#
  • Tries
    • 1.Sa6?
      • threat
        • 2.Sxc5#
      • 1...c4
        • 2.Sb4#
        • 2.Sc5#
      • 1...Sd4!
    • 1.Se6?
      • threat
        • 2.Sf4#
        • 2.Sxc5#
      • 1...c4
        • 2.Sf4#
        • 2.Sc5#
      • 1...Sd4!
    • 1.Rf4?
      • threat
        • 2.Qd2#
      • 1...Kxe3
        • 2.Qf3#
        • 2.Qe4#
        • 2.Qd2#
      • 1...Sd4!
    • 1.Rg4?
      • threat
        • 2.Qd2#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Sd4!
    • 1.Rh4?
      • threat
        • 2.Qd2#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Sd4!
  • Keys
    • 1.Rc4!
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kxc4
        • 2.Qd5#
      • 1...Sxc7
        • 2.Rc3#
      • 1...Sa3
        • 2.Rc3#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sbd6
        • 2.Rc3#
      • 1...Sa7
        • 2.Rc3#
      • 1...Se5
        • 2.Qd2#
      • 1...Sg5
        • 2.Qd2#
      • 1...Sfd6
        • 2.Qd2#
      • 1...Sh6
        • 2.Qd2#
      • 1...Sd8
        • 2.Qd2#
      • 1...Sh8
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(d);OGATE::B(G)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F),XP(c)
      • Refutation
        • S(b);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);
    • Try
      • R(E);
      • Threat
        • QAR1(C)
      • Refutation
        • S(b);
    • Try
      • R(E);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR1(C)
      • Refutation
        • S(b);
    • Try
      • R(E);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR1(C)
      • Refutation
        • S(b);
  • Actual
    • R(E);
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAR1(C)
      • K(a);P_SPINS(d),S_FLIGHT,XR(E)::QAB1(C)
      • S(b);N_GUARD,XS(F)::R1(E)
      • S(b);N_GUARD::R1(E)
      • S(b);N_GUARD::R1(E),XS(b)
      • S(d);::QAR1(C)
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