MESON Chess Problem Database

Problem Display
PID: 118366 (B6K/4p3/pR6/2p1p1B1/1b1k1P2/5Rp1/5n2/5QN1 w - - 0 1)

Reitman, Mark

Sachova skladba, 1998

B6K/4p3/pR6/2p1p1B1/1b1k1P2/5Rp1/5n2/5QN1

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qd3#
    • 1...Sh1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sh3
      • 2.Qd3#
    • 1...Se4
      • 2.Qd3#
    • 1...Sg4
      • 2.Qd3#
    • 1...e6
      • 2.Rd6#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Bxe5#
      • 1...exf6
        • 2.Rd6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sg4
        • 2.Qd3#
      • 1...c4!
    • 1.Rd3+?
      • 1...Kc4
        • 2.Bd5#
      • 1...Sxd3!
    • 1.Rxb4+?
      • 1...c4
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...cxb4!
    • 1.Qa1+?
      • 1...Bc3
        • 2.Qxc3#
      • 1...Kc4!
    • 1.Qc1?
      • threat
        • 2.Se2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...c4
        • 2.Qe3#
      • 1...exf4!
  • Keys
    • 1.Bxe7!
      • threat
        • 2.Rd6#
      • 1...exf4
        • 2.Bf6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se4
        • 2.Qd3#
      • 1...c4
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::QAR1(A)
    • S(a);N_GUARD::QAR1(A),XS(a)
    • P(h);N_GUARD::R(F)
  • Tries
    • Try
      • B(E);P_PINP(f)
      • Threat
        • B(E),XP(f)
      • Vars
        • P(h);N_GUARD,N_SPINP(f),XB(E)::R(F)
        • S(a);N_GUARD::QAR1(A),XS(a)
        • S(a);N_GUARD::QAR1(A)
      • Refutation
        • P(e);
    • Try
      • R(C);CHECK
      • Vars
        • K(d);P-FLIGHT::B(G)
      • Refutation
        • S(a);XR(C)
    • Try
      • R(F);CHECK,XB(c)
      • Refutation
        • P(e);XR(F)
    • Try
      • Q(A);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAB1(A),XB(c)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • S(B)
      • Vars
        • B(c);N_GUARD::QAB1(A),XB(c)
        • P(e);SBLOCK::QAB1(A)
      • Refutation
        • P(f);XP(D)
  • Actual
    • B(E);XP(h)
    • Threat
      • R(F)
    • Vars
      • P(f);OGATEB,XP(D)::B(E)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(a);N_GUARD::QAR1(A)
      • P(e);SBLOCK::S(B)
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