MESON Chess Problem Database
Problem Display
PID: 180472 (q7/3pp3/bpn1PQ2/1n2B3/8/pR2K3/2P2P2/2kB3R w - - 0 1)
Lider, Valentin Viktorovich
diagrammes, 1985
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Bb2+?
- 1...axb2
- 2.Qxb2#
- 1...Kb1!
- 1...axb2
- 1.Qf4?
- threat
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 2.Ke4#
- 1...Sxe5
- 2.Ke2#
- 1...Sc3
- 2.Kf3#
- 1...Sbd4
- 2.Ke4#
- 1...Sd6
- 2.Kf3#
- 1...Sba7
- 2.Kf3#
- 2.Ke4#
- 1...Sc7
- 2.Kf3#
- 2.Ke4#
- 1...Sb4
- 2.Ke2#
- 1...Scd4
- 2.Kd3#
- 1...Sa5
- 2.Ke2#
- 2.Kd3#
- 1...Sca7
- 2.Ke2#
- 2.Kd3#
- 1...Sb8
- 2.Ke2#
- 2.Kd3#
- 1...Sd8
- 2.Ke2#
- 2.Kd3#
- 1...d5
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 1...Qf8!
- threat
- 1.Qf5?
- threat
- 2.Be2#
- 2.Bf3#
- 2.Bg4#
- 2.Bh5#
- 1...Sxe5
- 2.Bf3#
- 1...Qh8
- 2.Bh5#
- 1...Qg8
- 2.Bg4#
- 1...Sbd4
- 2.Be2#
- 1...Sd6
- 2.Be2#
- 1...Sba7
- 2.Be2#
- 1...Sc7
- 2.Be2#
- 1...Sb4
- 2.Bf3#
- 1...Scd4
- 2.Bf3#
- 1...Sa5
- 2.Bf3#
- 1...Sca7
- 2.Bf3#
- 1...Sb8
- 2.Bf3#
- 1...Sd8
- 2.Bf3#
- 1...Sc3!
- threat
- 1.Qg6?
- threat
- 2.Be2#
- 2.Bf3#
- 2.Bg4#
- 2.Bh5#
- 1...Sxe5
- 2.Bf3#
- 1...Qh8
- 2.Bh5#
- 1...Sbd4
- 2.Be2#
- 1...Sd6
- 2.Be2#
- 1...Sba7
- 2.Be2#
- 1...Sc7
- 2.Be2#
- 1...Sb4
- 2.Bf3#
- 1...Scd4
- 2.Bf3#
- 1...Sa5
- 2.Bf3#
- 1...Sca7
- 2.Bf3#
- 1...Sb8
- 2.Bf3#
- 1...Sd8
- 2.Bf3#
- 1...Sc3!
- threat
- 1.Bb2+?
- Keys
- 1.Bf4!
- threat
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 2.Ke4#
- 2.Qa1#
- 1...exf6
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 2.Ke4#
- 1...Qh8
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 2.Ke4#
- 1...Qb8
- 2.Qa1#
- 1...Sc3
- 2.Kf3#
- 1...Sbd4
- 2.Ke4#
- 1...Sd6
- 2.Kf3#
- 2.Qa1#
- 1...Sba7
- 2.Kf3#
- 2.Ke4#
- 2.Qa1#
- 1...Sc7
- 2.Kf3#
- 2.Ke4#
- 2.Qa1#
- 1...Sb4
- 2.Ke2#
- 2.Qa1#
- 1...Scd4
- 2.Kd3#
- 1...Sa5
- 2.Ke2#
- 2.Kd3#
- 2.Qa1#
- 1...Se5
- 2.Ke2#
- 1...Sca7
- 2.Ke2#
- 2.Kd3#
- 2.Qa1#
- 1...Sb8
- 2.Ke2#
- 2.Kd3#
- 2.Qa1#
- 1...Sd8
- 2.Ke2#
- 2.Kd3#
- 2.Qa1#
- 1...d5
- 2.Ke2#
- 2.Kd3#
- 2.Kf3#
- 2.Qa1#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(G);CHECK
- Vars
- P(b);OGATE,XB(G)::QAB1(I),XP(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(f);XB(G)::QAB(I)+K(F)
- S(c);::QAB(I)+K(F)
- S(f);::QAB(I)+K(F)
- Refutation
- Q(i);
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(f);XB(G)::R(B)+B(A)
- Q(i);::R(B)+B(A)
- S(c);::R(B)+B(A)
- S(f);::R(B)+B(A)
- Refutation
- S(c);
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(f);XB(G)::R(B)+B(A)
- Q(i);::R(B)+B(A)
- S(c);::R(B)+B(A)
- S(f);::R(B)+B(A)
- Refutation
- S(c);
- Try
- Actual
- B(G);
- Threat
- DUALS(5)
- Vars
- Q(i);::QAR2(I)
- S(c);::B(G)+K(F)
- S(f);::B(G)+K(F)
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