MESON Chess Problem Database
Problem Display
PID: 47629 (Br1q4/1n1n4/6Q1/4p2R/1NNk3r/6P1/1K2Pb2/2R5 w - - 0 1)
Diot, Roger
4th Prize, Problem (Zagreb), 1955
#2
9 + 8
| 4872 | Themes-64 | 1957 |
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Qd6#
- 1...Sbc5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...e4
- 2.Sc6#
- 2.Rd5#
- 1...Sa5
- Tries
- 1.Sb6?
- threat
- 2.Qd3#
- 1...Ke3
- 2.Qd3#
- 1...Sbc5
- 2.Sc2#
- 1...Sdc5
- 2.Sc2#
- 1...e4
- 2.Sc2#
- 1...Re4!
- threat
- 1.Sd6?
- threat
- 2.Qd3#
- 1...Ke3
- 2.Qd3#
- 1...Sbc5
- 2.Sf5#
- 1...Re4
- 2.Sf5#
- 2.Qxe4#
- 1...e4
- 2.Sc2#
- 1...Sdc5!
- threat
- 1.Rxe5?
- threat
- 2.Sc6#
- 2.Rd5#
- 2.Qd3#
- 1...Sbc5
- 2.Rd5#
- 2.Qd6#
- 1...Qa5
- 2.Sc6#
- 2.Qd3#
- 1...Qg5
- 2.Sc6#
- 2.Qd3#
- 1...Qb6
- 2.Rd5#
- 2.Qd3#
- 1...Qf6
- 2.Rd5#
- 2.Qd3#
- 1...Qc7
- 2.Rd5#
- 2.Qd3#
- 1...Qc8
- 2.Rd5#
- 2.Qd3#
- 1...Qg8
- 2.Sc6#
- 2.Qd3#
- 1...Re4
- 2.Sc6#
- 2.Rd5#
- 2.Qxe4#
- 1...Rh5
- 2.Sc6#
- 2.Qd3#
- 2.Qe4#
- 2.Qg4#
- 1...Rc8
- 2.Rd5#
- 2.Qd3#
- 1...Sa5
- 2.Rd5#
- 2.Qd3#
- 2.Qd6#
- 1...Sd6
- 2.Rd5#
- 2.Qd3#
- 2.Qxd6#
- 1...Sdc5
- 2.Sc6#
- 1...Sb6
- 2.Sc6#
- 2.Qd3#
- 1...Sf6
- 2.Sc6#
- 2.Qd3#
- 1...Sf8
- 2.Sc6#
- 2.Qd3#
- 1...Sxe5!
- threat
- 1.Qc6?
- threat
- 2.Sc2#
- 2.Rd1#
- 2.Qd5#
- 1...Sbc5
- 2.Qd5#
- 2.Qd6#
- 1...Qa5
- 2.Sc2#
- 2.Rd1#
- 1...Qg5
- 2.Sc2#
- 2.Qd5#
- 1...Qb6
- 2.Rd1#
- 2.Qd5#
- 1...Qg8
- 2.Sc2#
- 2.Rd1#
- 1...Rh1
- 2.Sc2#
- 2.Qd5#
- 1...Be1
- 2.Sc2#
- 2.Qd5#
- 2.e3#
- 1...Be3
- 2.Sc2#
- 2.Qd5#
- 1...Sa5
- 2.Rd1#
- 2.Qd5#
- 2.Qd6#
- 1...Sd6
- 2.Rd1#
- 2.Qd5#
- 2.Qxd6#
- 1...Sb6
- 2.Sc2#
- 2.Rd1#
- 1...Sf6
- 2.Sc2#
- 2.Rd1#
- 1...Sf8
- 2.Sc2#
- 2.Rd1#
- 1...Sdc5!
- threat
- 1.Qd6+?
- 1...Ke4
- 2.Qd3#
- 2.Qd5#
- 1...Sxd6!
- 1...Ke4
- 1.Sb6?
- Keys
- 1.Se3!
- threat
- 2.Qd3#
- 1...Kxe3
- 2.Qd3#
- 1...Sbc5
- 2.Sf5#
- 1...Re4
- 2.Sf5#
- 1...Sdc5
- 2.Sbc2#
- 1...e4
- 2.Sbc2#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- S(e);N_GUARD,P_PINS(E)::QAR2(H)
- S(e);N_GUARD,P_PINS(E)::QAR2(H),XS(e)
- Tries
- Try
- S(F);
- Threat
- QAR1(H)
- Vars
- K(b);S_FLIGHT::QAR1(H)
- S(e);SBLOCK::S(E)
- S(f);SBLOCK::S(E)
- P(d);::S(E)
- Refutation
- R(c);
- Try
- S(F);
- Threat
- QAR1(H)
- Vars
- K(b);S_FLIGHT::QAR1(H)
- S(e);P_PINS(E)::S(F)
- P(d);::S(E)
- Refutation
- S(f);
- Try
- R(G);XP(d)
- Threat
- DUALS(3)
- Vars
- S(f);::S(E)
- Refutation
- S(f);XR(G)
- Try
- Q(H);
- Threat
- DUALS(3)
- Refutation
- S(f);
- Try
- Q(H);CHECK
- Refutation
- S(e);P_PINS(E),XQ(H)
- Try
- Actual
- S(F);
- Threat
- QAR1(H)
- Vars
- K(b);S_FLIGHT,XS(F)::QAR1(H)
- S(e);P_PINS(E)::S(F)
- R(c);SBLOCK::S(F)
- S(f);SBLOCK::S(E)
- P(d);::S(E)
Developed and maintained by Brian Stephenson.
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