MESON Chess Problem Database
Problem Display
PID: 122993 (7b/8/3P2K1/1n1N3R/3NkPpp/2rRP3/4Q3/1b6 w - - 0 1)
Belliboni, Caetano
CXEP, 1981
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qg2#
- 1...Bxd3
- 2.Qg2#
- 1...Bxd4
- 2.exd4#
- 1...Be5
- 2.Rxe5#
- 1...Bf6
- 2.Sxf6#
- 1...Sa3
- 2.Sxc3#
- 1...Sxd4
- 2.Sxc3#
- 2.exd4#
- 1...Sxd6
- 2.Sxc3#
- 1...Sa7
- 2.Sxc3#
- 1...Sc7
- 2.Sxc3#
- 1...Rxd3
- Tries
- 1.Rd1?
- threat
- 2.Qg2#
- 1...Rxe3
- 2.Qxe3#
- 1...Sxd4
- 2.Sxc3#
- 1...Rc2
- 2.Qd3#
- 1...h3!
- threat
- 1.Rd2?
- threat
- 2.Qg2#
- 1...Rxe3
- 2.Qxe3#
- 1...Sxd4
- 2.Sxc3#
- 1...h3!
- threat
- 1.Rd1?
- Keys
- 1.Se6!
- threat
- 2.Sg5#
- 1...Rxd3
- 2.Sc5#
- 2.Qg2#
- 1...Bxd3
- 2.Qg2#
- 1...Bd4
- 2.exd4#
- 1...Bf6
- 2.Sxf6#
- 1...Sd4
- 2.Sxc3#
- 2.exd4#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(b);SBLOCK,XR(B)::QAB(A)
- B(a);SBLOCK,XR(B)::QAB(A)
- B(g);OGATE,XS(D)::QAR(A)+P(C),XB(g)
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::S(F),XB(g)
- S(f);N_GUARD::S(F),XR(b)
- S(f);N_GUARD,XP(H)::S(F),XR(b)
- Tries
- Try
- R(B);
- Threat
- QAB(A)
- Vars
- R(b);OGATE,P_SPINR(b),XP(C)::QAR1(A),XR(b)
- S(f);N_GUARD,XS(D)::S(F),XR(b)
- R(b);N_GUARD,S_CUTB(a)::QAB1(A)
- Refutation
- P(e);
- Try
- R(B);
- Threat
- QAB(A)
- Vars
- R(b);OGATE,P_SPINR(b),XP(C)::QAR1(A),XR(b)
- S(f);N_GUARD,XS(D)::S(F),XR(b)
- Refutation
- P(e);
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- B(a);SBLOCK,XR(B)::QAB(A)
- B(g);OGATE::QAR(A)+P(C),XB(g)
- B(g);N_GUARD::S(F),XB(g)
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