MESON Chess Problem Database

Problem Display
PID: 103254 (2rR4/Q7/3N3K/2P1k2n/7n/2P4N/1B1P4/2r5 w - - 0 1)

St John Mildmay, Henry Edward

Montreal Gazette, 1892

2rR4/Q7/3N3K/2P1k2n/7n/2P4N/1B1P4/2r5

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.d4+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kd5!
    • 1.c4+?
      • 1...Ke6
        • 2.Sg5#
        • 2.Qd7#
        • 2.Qf7#
      • 1...Rc3!
  • Keys
    • 1.Qf7!
      • threat
        • 2.d4#
      • 1...Sf5+
        • 2.Qxf5#
      • 1...Rxc3
        • 2.Bxc3#
      • 1...Rd1
        • 2.c4#
      • 1...Sf3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(H)
        • K(c);S_FLIGHT::QAR1(H)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • P(C);CHECK
      • Refutation
        • R(a);P_SPINR(a)
  • Actual
    • Q(H);
    • Threat
      • P(B)
    • Vars
      • S(b);CHECK,N_GUARD::QAR1(H),XS(b)
      • R(a);OGATE,P_SPINR(a),XP(C)::B(A),XR(a)
      • R(a);N_GUARD::B(A)+P(C)
      • S(b);N_GUARD::QAR1(H)
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