MESON Chess Problem Database

Problem Display
PID: 243354 (1q6/4B3/2P5/2pNP1p1/3k1br1/1R4p1/2Rp2Q1/3K4 w - - 0 1)

Aschenazi, Marcel

Revista Romana de Sah, 1954

1q6/4B3/2P5/2pNP1p1/3k1br1/1R4p1/2Rp2Q1/3K4

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Bxc5#
    • 1...Bxe5
      • 2.Bxc5#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kxe5
        • 2.Qe4#
        • 2.Qd5#
      • 1...Qxb3
        • 2.Qe4#
      • 1...Bxe5
        • 2.Bxc5#
        • 2.Qd5#
        • 2.Qg1#
        • 2.Qxd2#
      • 1...Qd6
        • 2.Qe4#
      • 1...Qd8
        • 2.Qe4#
      • 1...Qg8
        • 2.Qe4#
      • 1...Be3
        • 2.Qd5#
      • 1...Qxe5!
    • 1.Rc4+?
      • 1...Kxe5
        • 2.Qe4#
      • 1...Kxc4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.Sb5#
        • 2.Qe4#
      • 1...Ke3
        • 2.Sb5#
      • 1...Kc4
        • 2.Qd5#
      • 1...Kxe5
        • 2.Qe4#
        • 2.Qd5#
      • 1...Qxe5
        • 2.Sb5#
      • 1...Bxe5
        • 2.Se2#
      • 1...Be3
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(h);SBLOCK,XP(F)::B(H),XP(f)
    • B(d);SBLOCK,XP(F)::B(H),XP(f)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);P_PINR(B),XR(D)::QAR1(C)
        • Q(h);::QAR1(C)
        • B(d);::QAR1(C)
      • Refutation
        • Q(h);XP(F)
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(F)::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT,XR(B)
  • Actual
    • S(E);
    • Threat
      • QAR1(C)
    • Vars
      • K(c);S_FLIGHT::R(D)+S(E)
      • K(c);P-FLIGHT::QAB1(C)
      • Q(h);N_GUARD,SBLOCK,XP(F)::S(E)
      • B(d);SBLOCK,XP(F)::S(E)
      • B(d);SBLOCK::QAR1(C)
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