MESON Chess Problem Database

Problem Display
PID: 95028 (8/8/5Q2/3BP3/p7/P2bB3/R1P1PK2/3k4 w - - 0 1)

Salai (Snr), Ladislav

Pravda (Bratislava), 2002

(First published on Thu Dec 19 2002)

8/8/5Q2/3BP3/p7/P2bB3/R1P1PK2/3k4

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Be4?
      • 1...Bxc2
        • 2.Bxc2#
      • 1...Bxe2
        • 2.Ra1#
      • 1...Bc4
        • 2.Ra1#
      • 1...Bb5
        • 2.Ra1#
      • 1...Ba6
        • 2.Ra1#
      • 1...Bxe4!
    • 1.Qf3?
      • threat
        • 2.Qh1#
        • 2.exd3#
      • 1...Bxc2
        • 2.Qh1#
      • 1...Bxe2
        • 2.Qxe2#
      • 1...Bc4
        • 2.Qh1#
      • 1...Bb5
        • 2.Qh1#
      • 1...Bf5
        • 2.Qh1#
      • 1...Ba6
        • 2.Qh1#
      • 1...Bg6
        • 2.Qh1#
      • 1...Bh7
        • 2.Qh1#
      • 1...Be4!
    • 1.Qc6?
      • threat
        • 2.Ra1#
      • 1...Bxc2
        • 2.Qxc2#
      • 1...Bc4!
    • 1.Qg6?
      • threat
        • 2.Qxd3#
        • 2.Qg1#
      • 1...Bxc2
        • 2.Qxc2#
        • 2.Qg1#
      • 1...Bxe2
        • 2.Ra1#
      • 1...Be4
        • 2.Qg1#
      • 1...Bc4
        • 2.Ra1#
        • 2.Qg1#
      • 1...Bb5
        • 2.Ra1#
        • 2.Qg1#
      • 1...Bf5
        • 2.Qg1#
      • 1...Ba6
        • 2.Ra1#
        • 2.Qg1#
      • 1...Bxg6!
  • Keys
    • 1.Qd6!
      • 1...Bxc2
        • 2.Bb3#
      • 1...Bxe2
        • 2.Bf3#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bc4
        • 2.Bxc4#
      • 1...Bb5
        • 2.Bc4#
      • 1...Bf5
        • 2.Be4#
      • 1...Ba6
        • 2.Bc4#
      • 1...Bg6
        • 2.Be4#
      • 1...Bh7
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Vars
        • B(b);OGATE,XP(B)::B(G),XB(b)
        • B(b);XP(C)::R(A)
        • B(b);::R(A)
      • Refutation
        • B(b);XB(G)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(B)::QAR(I)
        • B(b);OGATE,P_SPINB(b),XP(C)::QAB1(I),XB(b)
        • B(b);::QAR(I)
      • Refutation
        • B(b);
    • Try
      • Q(I);
      • Threat
        • R(A)
      • Vars
        • B(b);OGATE,XP(B)::QAB1(I),XB(b)
      • Refutation
        • B(b);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(C)::R(A)
        • B(b);::QAR(I)
      • Refutation
        • B(b);XQ(I)
  • Actual
    • Q(I);
    • Vars
      • B(b);OGATEB,XP(B)::QAR(I)+B(G)
      • B(b);OGATEB,XP(C)::QAR(I)+B(G)
      • B(b);OGATEB::QAR(I)+B(G),XB(b)
      • B(b);OGATEB::QAR(I)+B(G)
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