MESON Chess Problem Database

Problem Display
PID: 16002 (b5rN/K1QPp3/p1p5/3kBp2/2N5/pP6/r5R1/7B w - - 0 1)

Savournin, Jacques

Die Schwalbe, 2000

b5rN/K1QPp3/p1p5/3kBp2/2N5/pP6/r5R1/7B

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qa5#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Rd2#
      • 1...Kc5
        • 2.Qa5#
      • 1...Ke6
        • 2.Rg6#
      • 1...e5
        • 2.Qxe5#
      • 1...c5
        • 2.Re2#
      • 1...Re2!
    • 1.Rd2+?
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Ke6!
    • 1.Re2+?
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Ke6
        • 2.Bb2#
      • 1...Rg2!
    • 1.Rg6+?
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Rg2!
    • 1.Rxg8+?
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Ke6
        • 2.Rg6#
        • 2.d8S#
      • 1...Rg2!
    • 1.Qd6+?
      • 1...Ke4
        • 2.Re2#
        • 2.Rg4#
      • 1...exd6!
    • 1.d8Q+?
      • 1...Ke4
        • 2.Re2#
        • 2.Rg4#
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Ke6
        • 2.Qcd7#
        • 2.Qcxe7#
        • 2.Qcc8#
        • 2.Qdd7#
        • 2.Qxg8#
      • 1...Rxd8!
    • 1.d8R+?
      • 1...Ke4
        • 2.Re2#
        • 2.Rg4#
      • 1...Kc5
        • 2.Qa5#
        • 2.Qb6#
      • 1...Ke6
        • 2.Qd7#
        • 2.Qc8#
      • 1...Rxd8!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Rg3#
      • 1...Kc5
        • 2.Qa5#
      • 1...Ke6
        • 2.Re2#
      • 1...c5
        • 2.Rg6#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,P_SPINP(f)::QAR2(G)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR1(G)
      • Vars
        • K(c);S_FLIGHT::B(A)+R(B)
        • K(c);P-FLIGHT,P_SPINP(f)::QAR2(G)
        • K(c);S_FLIGHT::R(B)
        • P(g);::QAR1(G),XP(g)
        • P(f);::B(A)+R(B)
      • Refutation
        • R(a);
    • Try
      • R(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT::R(B)+B(E)
      • Refutation
        • R(i);P_SPINR(i)
    • Try
      • R(B);CHECK
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • R(B);CHECK,XR(i)
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • Q(G);CHECK
      • Refutation
        • P(g);XQ(G)
    • Try
      • P(H);CHECK
      • Refutation
        • R(i);XQ(H)
    • Try
      • P(H);CHECK
      • Refutation
        • R(i);XR(H)
  • Actual
    • B(E);
    • Threat
      • QAR1(G)
    • Vars
      • K(c);S_FLIGHT::B(A)+R(B)
      • K(c);P-FLIGHT,P_SPINP(f)::QAR2(G)
      • K(c);S_FLIGHT::R(B)
      • P(f);::B(A)+R(B)
      • P(g);::QAR1(G),XP(g)
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