MESON Chess Problem Database

Problem Display
PID: 265858 (bB2R3/p2KN3/2P5/5N2/BP1Pk2p/2pr2p1/6nq/1r1RnQ2 w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

bB2R3/p2KN3/2P5/5N2/BP1Pk2p/2pr2p1/6nq/1r1RnQ2

#2

11 + 11

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sd6#
    • 1...Rxd4+
      • 2.Rxd4#
    • 1...Bxc6+
      • 2.Bxc6#
    • 1...Sc2
      • 2.Qxd3#
    • 1...Sf3
      • 2.Qxd3#
    • 1...Se3
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
  • Tries
    • 1.Sd6+?
      • 1...Ke3
        • 2.Sef5#
      • 1...Kxd4!
    • 1.Bb3?
      • threat
        • 2.Sd5#
        • 2.Sg6#
        • 2.Sc8#
        • 2.Sg8#
        • 2.Bd5#
      • 1...Rxd4+
        • 2.Sd5#
        • 2.Rxd4#
      • 1...Bxc6+
        • 2.Sxc6#
      • 1...Rf3
        • 2.Bd5#
      • 1...Sf3
        • 2.Bd5#
        • 2.Qxd3#
      • 1...Se3
        • 2.Sd5#
        • 2.Sg6#
        • 2.Sc8#
        • 2.Sg8#
        • 2.Qf4#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Rxb3!
    • 1.Rxe1+?
      • 1...Re3
        • 2.Bc2#
      • 1...Sxe1
        • 2.Qf4#
      • 1...Se3
        • 2.Qf4#
      • 1...Rxe1!
  • Keys
    • 1.Se3!
      • threat
        • 2.S7f5#
      • 1...Rxd4+
        • 2.S7d5#
      • 1...Bxc6+
        • 2.Sxc6#
      • 1...Kxe3
        • 2.Sf5#
      • 1...Kxd4
        • 2.S7f5#
      • 1...Rxe3
        • 2.Qf5#
      • 1...Sxe3
        • 2.Qf4#
      • 1...Sf3
        • 2.Qxd3#
      • 1...Sf4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(f);N_PINP(E),SBLOCK::S(F)
    • R(f);CHECK,OGATE,XP(E)::R1(A),XR(f)
    • B(k);CHECK,OGATE,XP(G)::B(C),XB(k)
    • S(b);N_GUARD::QAB1(B),XR(f)
    • S(c);N_GUARD::QAR1(B)
    • S(c);N_GUARD::QAR1(B),XS(c)
  • Tries
    • Try
      • S(F);CHECK,N_SPINP(E)
      • Vars
        • K(h);N_GUARD,P-FLIGHT::R(K)+S(I),DCHECK
      • Refutation
        • K(h);P-FLIGHT,P_SPINR(f),XP(E)
    • Try
      • B(C);
      • Threat
        • DUALS(5)
      • Vars
        • B(k);CHECK,XP(G)::R(K)+S(I),XB(k)
        • R(f);N_PINP(E)::B(C)
        • S(c);N_GUARD::QAR1(B),XS(c)
      • Refutation
        • R(a);XB(C)
    • Try
      • R(A);CHECK,XS(b)
      • Vars
        • R(f);N_PINP(E),P_SPINR(f),S_CUTR(a),S_CUTS(c),S_CUTS(c)::B(C)
        • S(c);XR(A)::QAR1(B)
        • S(c);P_SPINS(c)::QAR1(B)
      • Refutation
        • R(a);XR(A)
  • Actual
    • S(F);
    • Threat
      • R(K)+S(I)
    • Vars
      • R(f);CHECK,XP(E)::R(K)+S(I)
      • B(k);CHECK,XP(G)::R(K)+S(I),XB(k)
      • K(h);P-FLIGHT,XS(F)::R(K)+S(I),DCHECK
      • K(h);P-FLIGHT,P_SPINR(f),XP(E)::S(I)
      • R(f);N_PINP(E),SBLOCK,XS(F)::QAB1(B)
      • S(c);N_GUARD,XS(F)::QAR1(B)
      • S(b);N_GUARD,SBLOCK::QAB1(B),XR(f)
      • S(c);N_GUARD::QAR1(B),XS(c)
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