MESON Chess Problem Database
Problem Display
PID: 61839 (1K2R2b/1p5r/2pkB3/P1N1N2R/7r/4p3/1BQ5/3n4 w - - 0 1)
Caillaud, Michel
Eretria 5 Days Ty., 2005
#2
9 + 8
| 5673 | Eretria Bulletin | 2005 |
| 5454 | Near Snap | 2005 |
| 102 | Probleemblad | 2005 |
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Se4#
- 2.Sc4#
- 1...Rh2
- 2.Se4#
- 2.Sc4#
- 1...Rh3
- 2.Se4#
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Sxe4#
- 1...R4xh5
- 2.Se4#
- 1...R7xh5
- 2.Sxb7#
- 2.Sf7#
- 1...Rh6
- 2.Sxb7#
- 2.Sf7#
- 1...Rf7
- 2.Sxf7#
- 1...Bxe5
- 2.Bxe5#
- 1...Bg7
- 2.Sxb7#
- 2.Sf7#
- 1...Rh1
- Tries
- 1.Ba3?
- threat
- 2.Se4#
- 2.Sxb7#
- 1...R4xh5
- 2.Sc4#
- 1...R7xh5
- 2.Sf7#
- 1...Rb4
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 2.Sxb7#
- 1...b5
- 2.Se4#
- 2.Sb7#
- 1...b6
- 2.Se4#
- 2.Sb7#
- 1...Re7!
- threat
- 1.Bf7?
- threat
- 2.Sxb7#
- 1...Rxf7
- 2.Sxf7#
- 1...Bxe5
- 2.Bxe5#
- 1...b5
- 2.Sb7#
- 1...b6
- 2.Sb7#
- 1...Rb4!
- threat
- 1.Rxh7?
- threat
- 2.Sxb7#
- 2.Sf7#
- 2.Rd7#
- 2.Rd8#
- 1...Rxh7
- 2.Se4#
- 1...Bxe5
- 2.Sxb7#
- 2.Rd7#
- 2.Rd8#
- 1...Sxb2
- 2.Sf7#
- 1...Rc4
- 2.Sxb7#
- 1...Rd4
- 2.Sf7#
- 1...Rb4
- 2.Sf7#
- 2.Rd7#
- 2.Rd8#
- 1...Rf4
- 2.Sxb7#
- 2.Rd7#
- 2.Rd8#
- 1...Bf6
- 2.Sxb7#
- 2.Sf7#
- 2.Rd7#
- 1...Bg7
- 2.Sxb7#
- 2.Sf7#
- 1...b5
- 2.Sb7#
- 2.Sf7#
- 2.Rd7#
- 2.Rd8#
- 1...b6
- 2.Sb7#
- 2.Sf7#
- 2.Rd7#
- 2.Rd8#
- 1...Sc3!
- threat
- 1.Rd8+?
- 1...Rd7
- 2.Rxd7#
- 1...Ke7!
- 1...Rd7
- 1.Qxd1+?
- 1...Rd4
- 2.Se4#
- 2.Sc4#
- 2.Qxd4#
- 1...Kxc5!
- 1...Rd4
- 1.Qd3+?
- 1...Rd4
- 2.Se4#
- 2.Sc4#
- 2.Qxd4#
- 1...Kxc5!
- 1...Rd4
- 1.Qxh7?
- threat
- 2.Sxb7#
- 2.Sf7#
- 2.Qe7#
- 1...Rxh5
- 2.Se4#
- 2.Sxb7#
- 2.Qe7#
- 1...Bxe5
- 2.Sxb7#
- 2.Qe7#
- 1...Rb4
- 2.Sf7#
- 2.Qe7#
- 1...Rf4
- 2.Sxb7#
- 2.Qe7#
- 1...Bf6
- 2.Sxb7#
- 2.Sf7#
- 1...Bg7
- 2.Sxb7#
- 2.Sf7#
- 1...b5
- 2.Sb7#
- 2.Sf7#
- 2.Qe7#
- 1...b6
- 2.Sb7#
- 2.Sf7#
- 2.Qe7#
- 1...Kxc5!
- threat
- 1.Qd2+?
- 1...Kxc5
- 2.Sd7#
- 1...Rd4
- 2.Se4#
- 2.Sc4#
- 2.Qxd4#
- 1...exd2!
- 1...Kxc5
- 1.Ba3?
- Keys
- 1.Qh2!
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Kxc5
- 2.Sd3#
- 1...Rxh2
- 2.Se4#
- 2.Sc4#
- 1...R4xh5
- 2.Se4#
- 1...R7xh5
- 2.Sxb7#
- 1...Bxe5
- 2.Qxe5#
- 1...Rc4
- 2.Sxc4#
- 2.Sf7#
- 1...Rf4
- 2.Sc4#
- 1...Rf7
- 2.Sc4#
- 2.Sxf7#
- threat
- 1.Qh2!
Anticipated by 38000(1992)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD::S(E),XR(c)
- R(c);N_GUARD::S(D),XR(c)
- R(c);N_GUARD,XR(F)::S(D)
- R(g);N_GUARD::S(E),XR(g)
- B(h);OGATE,XS(E)::B(A),XB(h)
- Tries
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XR(F)::S(E)
- R(g);N_GUARD,XR(F)::S(E)
- R(c);::S(D)
- Refutation
- R(g);
- Try
- B(G);
- Threat
- S(D),XP(f)
- Vars
- R(g);XB(G)::S(E),XR(g)
- B(h);OGATE,XS(E)::B(A),XB(h)
- P(f);::S(D)
- Refutation
- R(c);
- Try
- R(F);XR(g)
- Threat
- DUALS(4)
- Vars
- R(c);N_GUARD,XR(F)::S(D)
- S(a);XB(A)::S(E)
- R(c);::S(D),XP(f)
- R(c);::S(E)
- Refutation
- S(a);
- Try
- R(I);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::R1(I),XR(g)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(B);CHECK,XS(a)
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- Q(B);CHECK
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- Q(B);XR(g)
- Threat
- DUALS(3)
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- Q(B);CHECK
- Vars
- K(e);S_FLIGHT,XS(D)::R(F)+S(E),DCHECK
- Refutation
- P(b);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT,XS(D)::R(F)+S(E),DCHECK
- R(c);N_GUARD,XR(F)::S(D)
- R(g);N_GUARD,XR(F)::S(D),XP(f)
- B(h);OGATE,P_SPINB(h),XS(E)::QAB1(B),XB(h)
- R(c);::S(E)
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