MESON Chess Problem Database

Problem Display
PID: 233345 (8/3p4/N7/3B4/pNpk4/r1r2RBK/1Q2P3/5n2 w - - 0 1)

Nestorescu, Virgil

Revista Romana de Sah, 1964

8/3p4/N7/3B4/pNpk4/r1r2RBK/1Q2P3/5n2

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxc3#
    • 1...Ra2
      • 2.Qxc3#
    • 1...Sd2
      • 2.e3#
    • 1...Sh2
      • 2.e3#
  • Tries
    • 1.Bd6?
      • 1...Ra1
        • 2.Qxc3#
      • 1...Ra2
        • 2.Qxc3#
      • 1...Sd2
        • 2.e3#
      • 1...Sh2
        • 2.e3#
      • 1...Se3
        • 2.Rf4#
      • 1...Sg3
        • 2.e3#
      • 1...Rb3!
    • 1.Rf4+?
      • 1...Ke3
        • 2.Re4#
      • 1...Ke5!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Sc2#
      • 1...Ke3
        • 2.Bf2#
      • 1...Se3
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::QAB1(A),XR(c)
    • S(a);N_GUARD::P(B)
  • Tries
    • Try
      • B(D);P_SPINR(C)
      • Vars
        • R(b);N_GUARD::QAB1(A),XR(c)
        • S(a);N_GUARD::P(B)
        • S(a);N_PINR(C),SBLOCK::R(C)
        • S(a);N_GUARD,N_PINR(C)::P(B)
      • Refutation
        • R(b);
    • Try
      • R(C);CHECK,P_SPINB(D)
      • Vars
        • K(f);N_PINB(D),N_SPINR(c),S_FLIGHT::R1(C)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • R(C);P_SPINB(D)
    • Threat
      • S(F)
    • Vars
      • K(f);N_PINB(D),N_SPINR(c),S_FLIGHT::B(D)
      • S(a);N_PINB(D),SBLOCK::B(D)
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