MESON Chess Problem Database
Problem Display
PID: 69456 (5NN1/p2r1p1q/4nQp1/K2k4/2R3n1/pP1p1RB1/6r1/5b1B w - - 0 1)
Savournin, Jacques
1st HM., BCF 135. Ty., 1973-1974
#2
9 + 12
| 5635 | Czech Republic Solving Ty. | 2000 |
| 5926 | Chess Solving Yearbook 2000 | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rxd3#
- 2.Rf5#
- 1...Ra2
- 2.Rxd3#
- 2.Rf5#
- 1...Rb2
- 2.Rxd3#
- 2.Rf5#
- 1...Rc2
- 2.Rxd3#
- 2.Rf5#
- 1...Rd2
- 2.Rxd3#
- 2.Rf5#
- 1...Re2
- 2.Rxd3#
- 2.Rf5#
- 1...Rf2
- 2.Rxd3#
- 2.Rf5#
- 1...Rh2
- 2.Rxd3#
- 2.Rf5#
- 1...Rxg3
- 2.Rxd3#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Rd8
- 2.Se7#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sxf6
- 2.Sxf6#
- 1...Sh6
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Rd4#
- 1...Sg5
- 2.Qd4#
- 2.Qc6#
- 1...Sc7
- 2.Qd4#
- 2.Qc6#
- 1...Sg7
- 2.Qd4#
- 2.Qc6#
- 1...Sd8
- 2.Qd4#
- 1...Sxf8
- 2.Qc6#
- 1...Rg1
- Tries
- 1.Sxd7?
- threat
- 2.Se7#
- 1...Rxg3
- 2.Rxd3#
- 1...Se5
- 2.Qxe5#
- 1...Sd4
- 2.Rxd4#
- 1...Qxg8!
- threat
- 1.Bxg2?
- threat
- 2.Rxf1#
- 2.Rxd3#
- 2.Rf5#
- 1...Sxf6
- 2.Sxf6#
- 2.Rxd3#
- 2.Rf5#
- 1...Se5
- 2.Rxd3#
- 2.Qxe5#
- 1...Sd4
- 2.Rf5#
- 2.Qxd4#
- 1...Qh1
- 2.Rxd3#
- 2.Rf5#
- 1...Qh2
- 2.Rxd3#
- 2.Rf5#
- 1...Qh3
- 2.Rxd3#
- 2.Rf5#
- 1...Be2
- 2.Rxd3#
- 2.Rf5#
- 1...Sf2
- 2.Rxd3#
- 2.Rf5#
- 2.Qe5#
- 1...Sh2
- 2.Rxd3#
- 2.Rf5#
- 2.Qe5#
- 1...Se3
- 2.Rf5#
- 2.Qe5#
- 1...Sf4
- 2.Rxd3#
- 2.Qd4#
- 1...Sc5
- 2.Rxd3#
- 2.Rf5#
- 2.Rd4#
- 1...Sg5
- 2.Rxd3#
- 2.Rf5#
- 2.Qd4#
- 2.Qc6#
- 1...d2
- 2.Rxf1#
- 2.Rd3#
- 2.Rf5#
- 1...g5
- 2.Rxd3#
- 2.Rf5#
- 1...Bxg2!
- threat
- 1.Rxf1?
- threat
- 2.Bxg2#
- 2.Qf3#
- 1...Qxh1
- 2.Qf3#
- 1...Sxf6
- 2.Sxf6#
- 1...Sxf8
- 2.Bxg2#
- 2.Qc6#
- 1...Se5
- 2.Qxe5#
- 1...Sd4
- 2.Qxd4#
- 1...Qh2
- 2.Qf3#
- 1...Qh3
- 2.Qf3#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 2.Qf3#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Rd4#
- 1...Sg5
- 2.Qd4#
- 2.Qc6#
- 1...g5!
- threat
- 1.Rxd3+?
- 1...Sd4
- 2.Rdxd4#
- 2.Qxd4#
- 2.Qf3#
- 2.Qc6#
- 1...Bxd3!
- 1...Sd4
- 1.Rf5+?
- 1...Se5
- 2.Qxe5#
- 1...gxf5!
- 1...Se5
- 1.Qf5+?
- 1...Se5
- 2.Qxe5#
- 1...gxf5!
- 1...Se5
- 1.Sxd7?
- Keys
- 1.Qe7!
- threat
- 2.Qxd7#
- 1...Rxg3
- 2.Rf5#
- 1...Rxe7
- 2.Sxe7#
- 1...Sxf8
- 2.Qe4#
- 1...Sc5
- 2.Qxc5#
- 1...Rd6
- 2.Qxd6#
- 1...Rb7
- 2.Qd6#
- 2.Qxb7#
- 1...Rc7
- 2.Qd6#
- 1...Rd8
- 2.Qb7#
- 1...Se5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sd4
- 2.Rc5#
- 1...Sf4
- 2.Qc5#
- 1...f5
- 2.Qxe6#
- 1...f6
- 2.Qxe6#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(b);XB(D)::B(A)+R(C),DCHECK,XP(d)
- R(j);N_GUARD::S(I)
- R(j);N_GUARD::S(I),XR(j)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- S(e);XQ(G)::S(I),XS(e)
- S(g);N_GUARD::QAR1(G),XS(g)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD,SBLOCK::R1(E)
- S(g);OGATE,XS(H)::QAB1(G)
- Tries
- Try
- S(H);XR(j)
- Threat
- S(I)
- Vars
- R(b);XB(D)::B(A)+R(C),DCHECK,XP(d)
- S(e);N_GUARD::QAR1(G),XS(e)
- S(g);N_GUARD::R1(E),XS(g)
- Refutation
- Q(l);XS(I)
- Try
- B(A);XR(b)
- Threat
- DUALS(3)
- Refutation
- B(a);XB(A)
- Try
- R(C);P_PINR(b),XB(a)
- Threat
- DUALS(2)
- Vars
- Q(l);N_SPINR(b),XB(A)::QAB(G)
- S(e);XQ(G)::S(I),XS(e)
- S(e);N_GUARD::QAR1(G),XS(e)
- S(g);N_GUARD::QAR1(G),XS(g)
- Q(l);::QAB(G)
- S(e);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD,SBLOCK::R1(E)
- Refutation
- P(h);
- Try
- R(C);CHECK,P_PINR(b),XP(d)
- Refutation
- B(a);XR(C)
- Try
- R(C);CHECK,P_PINR(b)
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAR1(G),XS(e)
- Refutation
- P(h);XR(C)
- Try
- Q(G);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAR1(G),XS(e)
- Refutation
- P(h);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAR2(G),XR(j)
- Vars
- R(b);XB(D)::B(A)+R(C),DCHECK
- R(j);XQ(G)::S(I),XR(j)
- S(g);OGATE,XS(H)::QAB1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- R(j);N_GUARD::QAR1(G),XR(j)
- R(j);N_GUARD::QAR1(G)
- R(j);OGATE::QAB(G)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(g);N_GUARD,SBLOCK::R1(E)
- S(g);N_GUARD::QAR1(G)
- P(k);N_GUARD::QAB1(G),XS(g)
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