MESON Chess Problem Database

Problem Display
PID: 22735 (8/1Q6/K1P3r1/4pp2/R1P1kp2/5r2/1N1R1B2/5bnB w - - 0 1)

Travasoni, Marco

L'Italia Scacchistica, 1998

8/1Q6/K1P3r1/4pp2/R1P1kp2/5r2/1N1R1B2/5bnB

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2
      • 2.c7#
    • 1...Rg3
      • 2.c7#
    • 1...Rg4
      • 2.c7#
    • 1...Rg5
      • 2.c7#
    • 1...Rxc6+
      • 2.Qxc6#
    • 1...Rg7
      • 2.c7#
    • 1...Rg8
      • 2.c7#
    • 1...Bg2
      • 2.c5#
    • 1...Bh3
      • 2.c5#
    • 1...Bxc4+
      • 2.Rxc4#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sc5#
      • 1...Rxc6+
        • 2.Qxc6#
      • 1...Bxd3!
    • 1.Rd6?
      • threat
        • 2.c7#
      • 1...Bxc4+
        • 2.Rxc4#
      • 1...Rxd6!
    • 1.Qb5?
      • threat
        • 2.Qd5#
      • 1...Rxc6+
        • 2.Qxc6#
      • 1...Bxc4
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...Rd6!
    • 1.Qd7?
      • threat
        • 2.Qd5#
      • 1...Rxc6+
        • 2.Qxc6#
      • 1...Bxc4+
        • 2.Rxc4#
      • 1...Rd6!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Sc3#
      • 1...Rxc6+
        • 2.Qxc6#
      • 1...Bxc4+
        • 2.Rxc4#
      • 1...Rg2
        • 2.c7#
      • 1...Bg2
        • 2.c5#
      • 1...Se2
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(h);N_SPINR(c),OGATE::QAB(I)+P(H)
    • R(h);OGATE::QAB(I)+P(H)
    • R(h);CHECK,OGATE,XP(H)::QAB(I),XR(h)
    • B(a);N_PINP(F),N_SPINR(c),P_PINP(H)::R(E)+P(F)
    • B(a);N_PINP(F),P_PINP(H)::R(E)+P(F)
    • B(a);CHECK,OGATE,P_PINP(H),P_SPINB(a),XP(F)::R(E),XB(a)
  • Tries
    • Try
      • S(B);N_SPINP(F),P_SPINP(H)
      • Threat
        • S(B)
      • Vars
        • R(h);CHECK,OGATE,XP(H)::QAB(I),XR(h)
      • Refutation
        • B(a);N_PINP(H),P_PINP(F),XS(B)
    • Try
      • R(C);
      • Threat
        • QAB(I)+P(H)
      • Vars
        • B(a);CHECK,OGATE,P_SPINB(a),XP(F)::R(E),XB(a)
      • Refutation
        • R(h);XR(C)
    • Try
      • Q(I);N_SPINP(F),P_SPINP(H)
      • Threat
        • QAB1(I)
      • Vars
        • R(h);CHECK,OGATE,XP(H)::QAB(I),XR(h)
      • Refutation
        • R(h);
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • R(h);CHECK,OGATE,XP(H)::QAB(I),XR(h)
        • B(a);CHECK,OGATE,P_PINP(H),P_SPINB(a),XP(F)::R(E),XB(a)
      • Refutation
        • R(h);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(h);CHECK,OGATE,XP(H)::QAB(I),XR(h)
      • B(a);CHECK,OGATE,P_PINP(H),P_SPINB(a),XP(F)::R(E),XB(a)
      • R(h);N_SPINR(c),OGATE::QAB(I)+P(H)
      • B(a);N_PINP(F),N_SPINR(c),P_PINP(H)::R(E)+P(F)
      • S(b);N_PINP(F),P_PINP(H),S_CUTB(a)::QAB(I)
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