MESON Chess Problem Database
Problem Display
PID: 86516 (7b/8/4Qn2/8/N2kbp2/3P1B2/3B4/R3K3 w Q - 0 1)
Melnichenko, Viktor Oleksandrovich
Samilo, Volodimir Grigorovich
Veseinicki, ?
Magyar Sakkelet, 1980
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Bc3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Bxd3
- Tries
- 1.Qe5+?
- 1...Kxd3
- 2.Qc3#
- 1...Kxe5!
- 1...Kxd3
- 1.0-0-0?
- 1...Kxd3
- 2.Bxf4#
- 1...Bxd3
- 2.Bc3#
- 1...Bxf3
- 2.Bc3#
- 1...Bd5
- 2.Bc3#
- 1...Bf5
- 2.Bc3#
- 1...Bc6
- 2.Bc3#
- 1...Bg6
- 2.Bc3#
- 1...Bb7
- 2.Bc3#
- 1...Bh7
- 2.Bc3#
- 1...Ba8
- 2.Bc3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Bg7!
- 1...Kxd3
- 1.Qe5+?
- Keys
- 1.Bxf4!
- threat
- 2.Qc4#
- 1...Kxd3
- 2.0-0-0#
- 1...Bxd3
- 2.Be3#
- 1...Bd5
- 2.Qe3#
- 1...Sd5
- 2.Qxe4#
- threat
- 1.Bxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(b);SBLOCK,XP(D)::B(C)
- S(d);N_GUARD::QAR1(G),XB(b)
- Tries
- Try
- Q(G);CHECK
- Vars
- K(a);OGATE,P-FLIGHT,XP(D)::QAR1(G)
- Refutation
- K(a);S_FLIGHT,XQ(G)
- Try
- K(B);0-0-0
- Vars
- K(a);OGATEB,P-FLIGHT,XP(D)::R(A)+B(C),XP(c)
- B(b);XP(D)::B(C)
- B(b);XB(E)::B(C)
- B(b);::B(C)
- S(d);N_GUARD::QAR1(G),XB(b)
- Refutation
- B(e);
- Try
- Actual
- B(C);XP(c)
- Threat
- QAR1(G)
- Vars
- K(a);P-FLIGHT,XP(D)::0-0-0
- B(b);SBLOCK,XP(D)::B(C)
- B(b);OGATE::QAB1(G)
- S(d);N_GUARD::QAR1(G),XB(b)
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