MESON Chess Problem Database

Problem Display
PID: 150387 (8/N3N3/3k2P1/K3p1QR/3p2R1/3P3B/8/8 w - - 0 1)

Harrison, EN

Baltimore Sunday News, 1888

8/N3N3/3k2P1/K3p1QR/3p2R1/3P3B/8/8

#2

9 + 3

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qxe5#
    • 1...Ke6
      • 2.Rxd4#
  • Tries
    • 1.Sb5+?
      • 1...Kc5
        • 2.Qc1#
        • 2.Qxe5#
      • 1...Ke6
        • 2.Rg1#
        • 2.Rg2#
        • 2.Rg3#
        • 2.Rxd4#
        • 2.Re4#
        • 2.Rf4#
        • 2.Rgh4#
      • 1...Kd7!
    • 1.Sec8+?
      • 1...Kc5
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Ke6
        • 2.Rxd4#
      • 1...Kd7
        • 2.Qe7#
      • 1...Kc7!
    • 1.Sg8?
      • 1...Kc5
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Ke6
        • 2.Rxd4#
      • 1...Kd7
        • 2.Qe7#
      • 1...e4
        • 2.Qe7#
      • 1...Kc7!
    • 1.Rg1?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...e4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
    • 1.Rg2?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...e4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
    • 1.Rg3?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...e4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
    • 1.Rxd4+?
      • 1...Kc5
        • 2.Rd5#
        • 2.Qxe5#
      • 1...exd4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
    • 1.Re4?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...Kc7!
    • 1.Rf4?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...exf4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...e4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
    • 1.Rgh4?
      • threat
        • 2.Qxe5#
      • 1...Kc5
        • 2.Qxe5#
      • 1...e4
        • 2.Sb5#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Kc7!
  • Keys
    • 1.Sec6!
      • 1...Kc5
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Ke6
        • 2.Rxd4#
      • 1...Kc7
        • 2.Qe7#
      • 1...Kd7
        • 2.Qe7#
      • 1...e4
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
    • K(c);P-FLIGHT::B(B)+R(C),XP(a)
  • Tries
    • Try
      • S(H);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR1(E),XP(b)
        • K(c);P-FLIGHT::B(B)+R(C),XP(a)
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
        • K(c);P-FLIGHT,P_SPINP(b)::QAR1(E),XP(b)
        • K(c);P-FLIGHT::B(B)+R(C),XP(a)
        • K(c);P-FLIGHT::QAR1(E)
        • P(b);::QAB1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);CHECK,XP(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • QAB1(E),XP(b)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(I);
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::QAR2(E),XP(b)
      • K(c);P-FLIGHT,P_SPINP(b)::QAR1(E),XP(b)
      • K(c);P-FLIGHT::B(B)+R(C),XP(a)
      • K(c);S_FLIGHT::QAR2(E)
      • K(c);P-FLIGHT::QAR1(E)
      • P(b);::QAB1(E)
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