MESON Chess Problem Database

Problem Display
PID: 246684 (b1r5/Q3p3/8/2pnR3/Nk2N3/pP2p3/P2rB3/2K1B3 w - - 0 1)

Musante, Horacio Luis

El Ajedrez Espanol, 1941

b1r5/Q3p3/8/2pnR3/Nk2N3/pP2p3/P2rB3/2K1B3

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb8
      • 2.Qxc5#
    • 1...Rd8
      • 2.Qxc5#
    • 1...Re8
      • 2.Qxc5#
    • 1...Rf8
      • 2.Qxc5#
    • 1...Rg8
      • 2.Qxc5#
    • 1...Rh8
      • 2.Qxc5#
    • 1...Bc6
      • 2.Qxc5#
    • 1...Sf4
      • 2.Qb6#
    • 1...Sb6
      • 2.Qxb6#
    • 1...Sf6
      • 2.Qb6#
    • 1...Sc7
      • 2.Qxc5#
  • Tries
    • 1.Saxc5?
      • threat
        • 2.Qa4#
      • 1...Rxc5+
        • 2.Qxc5#
      • 1...Sc3
        • 2.Sa6#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Bc6!
    • 1.Bxd2+?
      • 1...Sc3
        • 2.Bxc3#
        • 2.Qb6#
      • 1...exd2+!
    • 1.Rxd5?
      • threat
        • 2.Qb6#
      • 1...Rb8
        • 2.Qxc5#
      • 1...Bc6
        • 2.Qxc5#
      • 1...Rc6!
    • 1.Qb7+?
      • 1...Ka5
        • 2.Qb5#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Bxb7!
  • Keys
    • 1.Sexc5!
      • threat
        • 2.Re4#
      • 1...Rxc5+
        • 2.Qxc5#
      • 1...Sc3
        • 2.Sa6#
      • 1...Sf4
        • 2.Qb6#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sf6
        • 2.Qb6#
      • 1...Sc7
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(i);N_GUARD::QAB1(I),XP(e)
    • B(h);S_CUTR(i)::QAB1(I),XP(e)
    • S(f);N_GUARD::QAR2(I)
    • S(f);N_GUARD::QAR2(I),XS(f)
    • S(f);S_CUTR(i)::QAB1(I),XP(e)
  • Tries
    • Try
      • S(F);P_SPINS(F),XP(e)
      • Threat
        • QAR1(I)
      • Vars
        • R(i);CHECK,OGATE,XS(F)::QAB1(I),XR(i)
        • S(f);N_PINS(F),N_SPINR(a)::S(F)
        • S(f);N_GUARD::QAR2(I),XS(f)
      • Refutation
        • B(h);N_PINS(F)
    • Try
      • B(B);CHECK,XR(a)
      • Refutation
        • P(c);CHECK,XB(B)
    • Try
      • R(H);XS(f)
      • Threat
        • QAR2(I)
      • Vars
        • R(i);N_GUARD::QAB1(I),XP(e)
        • B(h);S_CUTR(i)::QAB1(I),XP(e)
      • Refutation
        • R(i);
    • Try
      • Q(I);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(I)
        • S(f);N_GUARD,P_SPINS(f)::QAR2(I),XS(f)
      • Refutation
        • B(h);XQ(I)
  • Actual
    • S(G);P_SPINS(G),XP(e)
    • Threat
      • R(H)
    • Vars
      • R(i);CHECK,OGATE,XS(G)::QAB1(I),XR(i)
      • S(f);N_PINS(G),N_SPINR(a)::S(G)
      • S(f);N_GUARD::QAR2(I)
      • S(f);N_GUARD::QAR2(I),XS(f)
      • S(f);N_PINS(G)::S(G)
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