MESON Chess Problem Database
Problem Display
PID: 120984 (6B1/R3pr2/3pkp2/p3p3/PpP1N2N/1pBKQP2/1P1P4/8 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
1st Comm., Myllyniemi-50 JT, 1980
#2
12 + 9
| 117 | Suomen Shakki | 1981 |
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...d5
- Tries
- 1.Ke2?
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...bxc3!
- 1...d5
- 1.Sf2?
- 1...e4+
- 2.Qxe4#
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...bxc3!
- 1...e4+
- 1.Sg3?
- 1...e4+
- 2.Qxe4#
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...bxc3!
- 1...e4+
- 1.Sxf6?
- 1...e4+
- 2.Qxe4#
- 1...Kxf6
- 2.Qh6#
- 1...exf6
- 2.Bxf7#
- 1...d5
- 2.Ra6#
- 2.Qb6#
- 2.Qxe5#
- 1...bxc3!
- 1...e4+
- 1.Bxb4?
- 1...d5
- 2.Rxe7#
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...axb4!
- 1...d5
- 1.Bd4?
- 1...exd4
- 2.Sc5#
- 2.Sg5#
- 1...f5
- 2.Qh6#
- 1...d5!
- 1...exd4
- 1.Rb7?
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...bxc3!
- 1...d5
- 1.Rc7?
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qh6#
- 1...bxc3!
- 1...d5
- 1.Qg1?
- 1...d5
- 2.Qb6#
- 1...f5
- 2.Qg6#
- 1...bxc3!
- 1...d5
- 1.Qd4?
- threat
- 2.Qd5#
- 1...d5
- 2.Qb6#
- 2.Qxd5#
- 2.cxd5#
- 1...exd4!
- threat
- 1.Qf4?
- threat
- 2.Qf5#
- 1...f5
- 2.Qh6#
- 2.Qxf5#
- 1...exf4!
- threat
- 1.Qc5?
- threat
- 2.Qd5#
- 2.Qc8#
- 1...d5
- 2.Rxe7#
- 2.Qb6#
- 2.Qxe7#
- 2.Qxd5#
- 2.Qc6#
- 2.Qc8#
- 2.cxd5#
- 1...dxc5!
- threat
- 1.Qg5?
- threat
- 2.Qf5#
- 1...f5
- 2.Rxe7#
- 2.Qh6#
- 2.Qxe7#
- 2.Qxf5#
- 2.Qg6#
- 1...fxg5!
- threat
- 1.f4?
- threat
- 2.f5#
- 1...exf4
- 2.Sc5#
- 2.Sg5#
- 1...f5!
- threat
- 1.Ke2?
- Keys
- 1.Bxe5!
- 1...Kxe5
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 1...dxe5
- 2.Qb6#
- 1...fxe5
- 2.Qh6#
- 1...d5
- 2.Sc5#
- 1...f5
- 2.Sg5#
- 1...Kxe5
- 1.Bxe5!
This anticipates 108720(1982), 225551(1994), 54708(2003)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);XB(C)
- Try
- S(I);P_PINP(d)
- Vars
- P(d);CHECK,OGATEB::QAR2(E),XP(d)
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);XB(C)
- Try
- S(I);P_PINP(d)
- Vars
- P(d);CHECK,OGATEB::QAR2(E),XP(d)
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);XB(C)
- Try
- S(I);P_PINP(d),XP(g)
- Vars
- P(d);CHECK,OGATEB::QAR2(E),XP(d)
- K(f);N_SPINR(i),OGATEB,P-FLIGHT,XS(I)::QAR2(E)
- P(h);SBLOCK,XS(I)::B(L),XR(i)
- Refutation
- P(b);XB(C)
- Try
- B(C);XP(b)
- Vars
- P(g);OGATEB::QAR(E)
- Refutation
- P(c);XB(C)
- Try
- B(C);
- Vars
- P(g);OGATEB::QAR(E)
- Refutation
- P(e);
- Try
- R(K);
- Vars
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);XB(C)
- Try
- R(K);
- Vars
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR(E)
- Refutation
- P(b);XB(C)
- Try
- Q(E);
- Vars
- P(e);OGATEB::QAR(E)
- P(g);OGATEB::QAR2(E)
- Refutation
- P(b);XB(C)
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- P(g);XQ(E)
- Try
- P(F);
- Threat
- P(F)
- Refutation
- P(g);
- Try
- Actual
- B(C);XP(d)
- Vars
- P(e);OGATEB,SBLOCK,XB(C)::QAR(E)
- P(g);OGATEB,SBLOCK,XB(C)::QAR(E)
- P(e);N_GUARD::S(I)
- P(g);N_GUARD::S(I)
Developed and maintained by Brian Stephenson.
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