MESON Chess Problem Database

Problem Display
PID: 10365 (2R5/7p/3B1Kn1/p4N2/P1P5/1pkN3R/p1b3Q1/bB6 w - - 0 1)

Mansfield, Comins

Comm., Castellari Ty., 1963-1964

2R5/7p/3B1Kn1/p4N2/P1P5/1pkN3R/p1b3Q1/bB6

#2

10 + 8

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Rxd3#
    • 1...Sf4
      • 2.Be5#
    • 1...Sh4
      • 2.Be5#
    • 1...Se5
      • 2.Bxe5#
    • 1...Se7
      • 2.Be5#
    • 1...Sf8
      • 2.Be5#
    • 1...Sh8
      • 2.Be5#
    • 1...b2
      • 2.Qxc2#
  • Tries
    • 1.Sc1+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Kb2!
    • 1.Se1+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Kb2!
    • 1.Sb2+?
      • 1...Bd3
        • 2.Sd1#
        • 2.Rxd3#
      • 1...Kxb2!
    • 1.Sb4+?
      • 1...Bd3
        • 2.Sd5#
        • 2.Rxd3#
      • 1...Kb2!
    • 1.Sf4+?
      • 1...Bd3
        • 2.Sd5#
        • 2.Rxd3#
      • 1...Kb2!
    • 1.Se5+?
      • 1...Bd3
        • 2.Rxd3#
      • 1...Kb2!
    • 1.Bc5?
      • threat
        • 2.Bd4#
      • 1...Kxc4+
        • 2.Bd4#
      • 1...b2
        • 2.Qxc2#
      • 1...Bxd3!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Bxa5#
      • 1...Kxc4+
        • 2.Be5#
      • 1...b2
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(c);OGATE,P_SPINB(c),XS(C)::R1(D),XB(c)
    • S(g);N_GUARD::B(H)
    • S(g);N_GUARD::B(H),XS(g)
    • P(d);N_GUARD::QAR1(B),XB(c)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(D),XB(c)
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(D),XB(c)
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT
    • Try
      • S(C);CHECK
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT,XS(C)
    • Try
      • S(C);CHECK
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT
    • Try
      • S(C);CHECK
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(D),XB(c)
      • Refutation
        • K(e);P_SPINB(c),S_FLIGHT
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • K(e);CHECK,P-FLIGHT,XP(F)::R(J)+B(H)
        • P(d);N_GUARD::QAR1(B),XB(c)
      • Refutation
        • B(c);P_SPINB(c),XS(C)
  • Actual
    • B(H);
    • Threat
      • B(H),XP(f)
    • Vars
      • K(e);CHECK,P-FLIGHT,XP(F)::R(J)+B(H)
      • P(d);N_GUARD::QAR1(B),XB(c)
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