MESON Chess Problem Database
Problem Display
PID: 161663 (8/R6B/K1k5/B7/2NRN2n/1r6/1Q5q/8 w - - 0 1)
Simonet, Andre
2nd Prize, Revista Portuguesa de Xadrez, 1979
#2
8 + 4
| 15611 | Schaak-composities 1975-1979 (de Vuyst) | 1982 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qe5
- 2.Sxe5#
- 1...Qd6
- 2.Rxd6#
- 1...Qc7
- 2.Rxc7#
- 1...Qh1
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qxb2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qc2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qd2
- 2.Se5#
- 2.Rc7#
- 1...Qe2
- 2.Rd6#
- 2.Rc7#
- 1...Qf2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qg2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qh3
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Ra3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rc3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rd3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Re3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rf3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rg3
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rh3
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Rb5
- 2.Qxb5#
- 1...Rb6+
- 2.Qxb6#
- 1...Rb7
- 2.Qxb7#
- 1...Qg1
- Tries
- 1.Scd6?
- threat
- 2.Rc7#
- 1...Rb6+
- 2.Qxb6#
- 1...Qxd6
- 2.Rxd6#
- 1...Rb7
- 2.Qxb7#
- 1...Qe2+!
- threat
- 1.Bb6?
- threat
- 2.Sa5#
- 1...Rxb6+
- 2.Qxb6#
- 1...Qe5
- 2.Sxe5#
- 1...Qd2
- 2.Se5#
- 2.Rc7#
- 1...Qe2
- 2.Rd6#
- 2.Rc7#
- 1...Rb5
- 2.Qxb5#
- 1...Ra3+!
- threat
- 1.Bd8?
- threat
- 2.Sa5#
- 1...Rb6+
- 2.Qxb6#
- 1...Qc7
- 2.Rxc7#
- 1...Qe5
- 2.Sxe5#
- 1...Qd2
- 2.Se5#
- 2.Rc7#
- 1...Qe2
- 2.Rd6#
- 2.Rc7#
- 1...Rb5
- 2.Qxb5#
- 1...Ra3+!
- threat
- 1.Bf5?
- threat
- 2.Bd7#
- 1...Rb6+
- 2.Qxb6#
- 1...Qc7
- 2.Rxc7#
- 1...Qd6
- 2.Rxd6#
- 1...Qh3
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Rb7
- 2.Qxb7#
- 1...Sxf5!
- threat
- 1.Qc3?
- threat
- 2.Se5#
- 1...Rb6+
- 2.Sxb6#
- 1...Qe5
- 2.Sxe5#
- 1...Qe2
- 2.Rd6#
- 2.Rc7#
- 1...Rxc3!
- threat
- 1.Qc2?
- threat
- 2.Se5#
- 1...Qe5
- 2.Sxe5#
- 1...Qe2
- 2.Rd6#
- 2.Rc7#
- 1...Rc3
- 2.Qa4#
- 1...Rb6+!
- threat
- 1.Qxh2?
- threat
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 1...Rd3
- 2.Se5#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 1...Rg3
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Rb5
- 2.Rd6#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 1...Rb7
- 2.Se5#
- 2.Rd6#
- 2.Qd6#
- 1...Sf3
- 2.Rd6#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 2.Qh6#
- 1...Sf5
- 2.Se5#
- 2.Rc7#
- 2.Qc7#
- 1...Sg6
- 2.Rd6#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 1...Rb6+!
- threat
- 1.Qxb3?
- threat
- 2.Qa4#
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Qe5
- 2.Sxe5#
- 2.Qb6#
- 2.Qb7#
- 1...Qc7
- 2.Rxc7#
- 2.Qa4#
- 2.Qb5#
- 1...Qa2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Qb2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 1...Qc2
- 2.Se5#
- 2.Rd6#
- 2.Rc7#
- 2.Qb5#
- 2.Qb6#
- 2.Qb7#
- 1...Qb8!
- threat
- 1.Scd6?
- Keys
- 1.Bg8!
- threat
- 2.Bd5#
- 1...Rb6+
- 2.Qxb6#
- 1...Qc7
- 2.Rxc7#
- 1...Qe5
- 2.Sxe5#
- 1...Qd6
- 2.Rxd6#
- 1...Rb5
- 2.Qxb5#
- 1...Rb7
- 2.Qxb7#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD::R1(C),XQ(a)
- Q(a);N_GUARD::R1(G),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
- R(b);CHECK,OGATE::QAR1(A),XR(b)
- Tries
- Try
- S(B);
- Threat
- R1(G)
- Vars
- R(b);CHECK,OGATE::QAR1(A),XR(b)
- Q(a);OGATE,XS(B)::R1(C),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
- Refutation
- Q(a);CHECK
- Try
- B(E);
- Threat
- S(B)
- Vars
- R(b);CHECK,OGATE,XB(E)::QAR1(A),XR(b)
- Q(a);N_GUARD::S(B),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
- Refutation
- R(b);CHECK
- Try
- B(E);
- Threat
- S(B)
- Vars
- R(b);CHECK,OGATE::QAR1(A),XR(b)
- Q(a);N_GUARD::R1(G),XQ(a)
- Q(a);N_GUARD::S(B),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
- Refutation
- R(b);CHECK
- Try
- B(H);
- Threat
- B(H)
- Vars
- R(b);CHECK,OGATE::QAR1(A),XR(b)
- Q(a);N_GUARD::R1(G),XQ(a)
- Q(a);N_GUARD::R1(C),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
- Refutation
- S(c);XB(H)
- Try
- Q(A);
- Threat
- QAR(A)+S(B),DCHECK
- Vars
- R(b);CHECK,N_GUARD::QAR(A)+S(B),XR(b)
- Q(a);::QAR(A)+S(B),DCHECK,XQ(a)
- Refutation
- R(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR(A)+S(B),DCHECK
- Vars
- Q(a);::QAR(A)+S(B),DCHECK,XQ(a)
- R(b);OGATE::QAB(A)
- Refutation
- R(b);CHECK
- Try
- Q(A);XQ(a)
- Threat
- DUALS(5)
- Refutation
- R(b);CHECK
- Try
- Q(A);XR(b)
- Threat
- DUALS(4)
- Refutation
- Q(a);
- Try
- Actual
- B(H);
- Threat
- B(H)
- Vars
- R(b);CHECK,OGATE::QAR1(A),XR(b)
- Q(a);N_GUARD::R1(G),XQ(a)
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD::R1(C),XQ(a)
- R(b);OGATE::QAB1(A),XR(b)
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