MESON Chess Problem Database

Problem Display
PID: 213910 (4R3/3KN2p/P1p1Np2/2p1kp1n/r2p2b1/bQ3pn1/3P3B/8 w - - 0 1)

Battaglia, Emilio

Il Due Mosse, 1957

4R3/3KN2p/P1p1Np2/2p1kp1n/r2p2b1/bQ3pn1/3P3B/8

#2

8 + 13

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6+?
      • 1...Ke4
        • 2.Sef4#
        • 2.Sxc5#
        • 2.Sg5#
        • 2.Sc7#
        • 2.Sg7#
        • 2.Sd8#
        • 2.Sef8#
      • 1...hxg6!
    • 1.d3?
      • threat
        • 2.Sxc6#
        • 2.Qb8#
      • 1...Rxa6
        • 2.Qb8#
      • 1...Rb4
        • 2.Sxc6#
      • 1...Rc4
        • 2.Qb8#
      • 1...Bb4
        • 2.Sxc6#
      • 1...f4
        • 2.Qb8#
      • 1...c4!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Qe3#
      • 1...Rxd4+
        • 2.Sd5#
      • 1...f4+
        • 2.Sef5#
      • 1...Kxd4
        • 2.Sxc6#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kf4
        • 2.Qe3#
      • 1...cxd4
        • 2.Sg6#
      • 1...Sf4
        • 2.Sexc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • P(m);XS(G)
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XP(D)::QAB(C)
        • R(d);::S(G),XP(k)
        • R(d);::QAB(C)
        • B(a);::S(G),XP(k)
        • P(i);N_SPINS(c),P_PINS(E)::QAB(C)
      • Refutation
        • P(g);
  • Actual
    • S(E);XP(e)
    • Threat
      • QAR2(C)
    • Vars
      • R(d);CHECK,SBLOCK,XS(E)::R(H)+S(G)
      • P(i);CHECK,N_SPINS(c),SBLOCK::R(H)+S(G)
      • K(h);N_SPINS(c),S_FLIGHT,XS(E)::S(G),XP(k)
      • K(h);N_SPINS(c),P-FLIGHT::QAR1(C)
      • K(h);S_FLIGHT::QAB1(C)
      • P(g);SBLOCK,XS(E)::R(H)+S(G),DCHECK
      • S(j);N_SPINS(c),SBLOCK::R(H)+S(G),DCHECK,XP(k)
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