MESON Chess Problem Database

Problem Display
PID: 66476 (2Q5/6n1/5Bp1/1NpP2P1/2r1kp2/p4p1P/BpP2P2/1K6 w - - 0 1)

Anonymous

The Chess Monthly (Hoffer), 1882

2Q5/6n1/5Bp1/1NpP2P1/2r1kp2/p4p1P/BpP2P2/1K6

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxc3#
      • 2.Sd6#
    • 1...Ra4
      • 2.Sc3#
      • 2.Sd6#
    • 1...Rb4
      • 2.Sc3#
      • 2.Sd6#
    • 1...Rd4
      • 2.Sc3#
      • 2.Sd6#
    • 1...Sf5
      • 2.Qe6#
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Se8
      • 2.Qe6#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Sc3#
        • 2.Sd6#
      • 1...Se6
        • 2.Sd6#
        • 2.Qxe6#
      • 1...Sf5
        • 2.Sc3#
        • 2.Qe6#
      • 1...Se8
        • 2.Sc3#
        • 2.Qe6#
      • 1...a2+!
    • 1.Qd7?
      • 1...Se6
        • 2.Qxe6#
      • 1...Rc3
        • 2.Sxc3#
        • 2.Sd6#
      • 1...Ra4
        • 2.Sc3#
        • 2.Sd6#
      • 1...Rb4
        • 2.Sc3#
        • 2.Sd6#
      • 1...Rd4
        • 2.Sc3#
        • 2.Sd6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se8
        • 2.Qe6#
      • 1...Rxc2!
    • 1.Qc6?
      • threat
        • 2.Sd6#
      • 1...Kf5
        • 2.Sd6#
      • 1...Sf5
        • 2.Qe6#
        • 2.d6#
      • 1...Se8
        • 2.Qe6#
      • 1...Rxc2!
    • 1.Qg8?
      • threat
        • 2.Sd6#
      • 1...Kf5
        • 2.Sd6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Qe6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Rxc2!
  • Keys
    • 1.Qa6!
      • 1...Kxd5
        • 2.Sc3#
      • 1...Kf5
        • 2.Sd6#
      • 1...Rxc2
        • 2.Sd6#
      • 1...Rc3
        • 2.Sd6#
      • 1...Ra4
        • 2.Sd6#
      • 1...Rb4
        • 2.Sd6#
      • 1...Rd4
        • 2.Sd6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(i);N_GUARD::QAR2(J)
    • S(i);N_GUARD::QAR2(J),XS(i)
  • Tries
    • Try
      • B(B);XR(d)
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(J);
      • Vars
        • S(i);N_GUARD::QAR2(J),XS(i)
        • S(i);N_GUARD::QAR2(J)
      • Refutation
        • R(d);XP(C)
    • Try
      • Q(J);
      • Threat
        • S(F)
      • Vars
        • K(e);S_FLIGHT::S(F)
        • S(i);N_GUARD::QAR2(J)
      • Refutation
        • R(d);XP(C)
    • Try
      • Q(J);
      • Threat
        • S(F)
      • Vars
        • K(e);S_FLIGHT::S(F)
        • S(i);N_GUARD::QAR2(J),XS(i)
        • S(i);N_GUARD::QAR2(J)
      • Refutation
        • R(d);XP(C)
  • Actual
    • Q(J);
    • Vars
      • K(e);P_SPINR(d),S_FLIGHT,XP(G)::S(F)
      • K(e);S_FLIGHT::S(F)
      • R(d);XP(C)::S(F)
      • R(d);::S(F)
      • S(i);N_GUARD::QAR2(J)
      • S(i);N_GUARD::QAR2(J),XS(i)
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