MESON Chess Problem Database
Problem Display
PID: 102843 (7B/1pP5/3RP3/2b2kNK/2N5/3r1PP1/r4n2/8 w - - 0 1)
Grolman, Lev
Intelectualie Egri, 1993
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rd5#
- 1...Rb3
- 2.Rd5#
- 1...Rc3
- 2.Rd5#
- 1...Rxf3
- 2.Rd5#
- 1...Rd4
- 2.Se3#
- 1...Rd5
- 2.Rxd5#
- 1...Se4
- 2.fxe4#
- 1...Sg4
- 2.fxg4#
- 1...Ra3
- Tries
- 1.g4+?
- 1...Kf4
- 2.Be5#
- 1...Sxg4!
- 1...Kf4
- 1.e7?
- threat
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rxf3
- 2.Rd5#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Bxd6
- 2.c8Q#
- 2.c8B#
- 1...Ra1
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rb2
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rc2
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rad2
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Re2
- 2.Rf6#
- 1...Raa3
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ra5
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ra6
- 2.c8Q#
- 2.c8B#
- 1...Ra7
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ra8
- 2.Rf6#
- 1...Rd1
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rdd2
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rda3
- 2.Rd5#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rb3
- 2.Rd5#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rc3
- 2.Rd5#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Re3
- 2.Rf6#
- 1...Rd4
- 2.Se3#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rd5
- 2.Rxd5#
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ba3
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Be3
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Bb4
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Bd4
- 2.c8Q#
- 2.c8B#
- 1...Bb6
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Ba7
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Sd1
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Sh1
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Sh3
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Se4
- 2.fxe4#
- 2.c8Q#
- 2.c8B#
- 1...Sg4
- 2.fxg4#
- 2.c8Q#
- 2.c8B#
- 1...b5
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...b6
- 2.Rf6#
- 2.c8Q#
- 2.c8B#
- 1...Rxd6!
- threat
- 1.c8Q?
- threat
- 2.Qf8#
- 2.e7#
- 1...Rxd6
- 2.Qf8#
- 1...Bxd6
- 2.e7#
- 1...Re2
- 2.Qf8#
- 1...Re3
- 2.Qf8#
- 1...Bd4
- 2.e7#
- 1...Se4
- 2.fxe4#
- 2.e7#
- 1...Sg4
- 2.fxg4#
- 2.e7#
- 1...Ra8!
- threat
- 1.g4+?
- Keys
- 1.Rd4!
- threat
- 2.Rf4#
- 1...Rxf3
- 2.Rd5#
- 1...Rxd4
- 2.Se3#
- 1...Bxd4
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 1...Sh3
- 2.g4#
- 1...Se4
- 2.fxe4#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD::R(F)
- R(c);N_GUARD,XP(A)::R(F)
- R(c);N_GUARD,S_CUTB(d)::S(C)
- R(c);N_GUARD::R(F),XR(c)
- S(b);OGATE::P(A),XS(b)
- Tries
- Try
- P(B);CHECK
- Vars
- K(e);P-FLIGHT::B(I)
- Refutation
- S(b);XP(B)
- Try
- P(G);
- Threat
- DUALS(3)
- Vars
- B(d);XR(F)::P=Q
- R(a);::R1(F)
- R(a);::P=Q
- R(c);::R1(F)
- B(d);::P=Q
- Refutation
- R(c);XR(F)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- R(c);XR(F)::QAR(H)
- B(d);XR(F)::QAB(H)+P(G)
- R(a);::QAR(H)
- R(c);::QAR(H)
- B(d);::QAB(H)+P(G)
- Refutation
- R(a);
- Try
- Actual
- R(F);
- Threat
- R1(F)
- Vars
- R(c);N_GUARD,XP(A)::R(F)
- R(c);N_GUARD,XR(F)::S(C)
- B(d);N_GUARD,XR(F)::S(C)
- B(d);N_GUARD::S(C),XB(d)
- S(b);N_GUARD::P(B)
- S(b);OGATE::P(A),XS(b)
Developed and maintained by Brian Stephenson.
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