MESON Chess Problem Database
Problem Display
PID: 266839 (r6N/1Q2N2p/R2Pkp2/pp1prpPK/qb2pp2/5B2/8/8 w - - 0 1)
Robert, Philippe
The Problemist, 1998
#2
8 + 13
SOLUTION
- SOUND
- Sets
- 1...Rc8
- 2.Qxc8#
- 1...Rc8
- Tries
- 1.Sxd5?
- threat
- 2.Sxf4#
- 2.Qf7#
- 1...Rxd5
- 2.Qe7#
- 1...Rxh8
- 2.Sxf4#
- 1...fxg5
- 2.Qf7#
- 1...Ra7
- 2.Sxf4#
- 1...Rf8
- 2.Sxf4#
- 1...Bd2
- 2.Qf7#
- 1...Rxa6!
- threat
- 1.Sc6?
- threat
- 2.Sd4#
- 2.Qe7#
- 1...Rxa6
- 2.Qe7#
- 1...Bxd6
- 2.Qf7#
- 1...fxg5
- 2.Qe7#
- 1...d4
- 2.Sxd4#
- 1...Qd1
- 2.Qe7#
- 1...Qa1
- 2.Qe7#
- 1...Ra7
- 2.Sd4#
- 2.Sd8#
- 1...Re8
- 2.Sd4#
- 1...Be1
- 2.Qe7#
- 1...Bd2
- 2.Qe7#
- 1...Ba3
- 2.Qe7#
- 1...Bc3
- 2.Qe7#
- 1...Bc5
- 2.Qe7#
- 1...Kxd6!
- threat
- 1.Seg6?
- threat
- 2.Sxf4#
- 2.Qe7#
- 2.Qf7#
- 1...Rxa6
- 2.Qe7#
- 1...Rxh8
- 2.Sxf4#
- 2.Qe7#
- 1...fxg5
- 2.Qe7#
- 2.Qf7#
- 1...Ra7
- 2.Sxf4#
- 2.Sf8#
- 1...Re8
- 2.Sxf4#
- 2.Qf7#
- 1...Rf8
- 2.Sxf4#
- 2.Sxf8#
- 2.Qe7#
- 1...Bd2
- 2.Qe7#
- 2.Qf7#
- 1...d4
- 2.Sxf4#
- 2.Qf7#
- 1...hxg6+!
- threat
- 1.Sc8?
- threat
- 2.Qe7#
- 2.Qf7#
- 1...d4
- 2.Qf7#
- 1...Ra7!
- threat
- 1.Sg8?
- threat
- 2.Qe7#
- 2.Qf7#
- 1...Rxa6
- 2.Qe7#
- 1...Re8
- 2.Qf7#
- 1...Rf8
- 2.Qe7#
- 1...d4
- 2.Qf7#
- 1...Ra7!
- threat
- 1.Sxd5?
- Keys
- 1.Sxf5!
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Kxf5
- 2.Bg4#
- 1...Rxf5
- 2.Qe7#
- 1...Rxa6
- 2.Qc8#
- 1...Bxd6
- 2.Sg7#
- 1...fxg5
- 2.Qf7#
- 1...Qd1
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Rg8
- 2.Sd4#
- 1...Be1
- 2.Sg7#
- 1...Bd2
- 2.Sg7#
- 1...Ba3
- 2.Sg7#
- 1...Bc3
- 2.Sg7#
- 1...Bc5
- 2.Sg7#
- 1...d4
- 2.Sxd4#
- 2.Sg7#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 1
- Sets
- R(m);N_GUARD::QAB(F),XR(m)
- Tries
- Try
- S(G);XP(g)
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK,XS(G)::QAR1(F)
- R(m);XS(H)::S(G),XP(d)
- P(k);XP(B)::QAB1(F)
- R(m);::S(G),XP(d)
- B(b);::QAB1(F)
- Refutation
- R(m);XR(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(m);XR(D)::QAR1(F)
- B(b);SBLOCK,XP(E)::QAB1(F)
- P(k);XP(B)::QAR1(F)
- P(g);::S(G),XP(g)
- Q(a);P_PINB(A)::QAR1(F)
- Q(a);::QAR1(F)
- R(m);::S(G)
- B(b);::QAR1(F)
- Refutation
- K(j);P-FLIGHT,XP(E)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(m);XR(D)::QAR1(F)
- Refutation
- P(l);CHECK,XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(g);::QAB1(F)
- Refutation
- R(m);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(m);XR(D)::QAR1(F)
- R(m);::QAB1(F)
- R(m);::QAR1(F)
- P(g);::QAB1(F)
- Refutation
- R(m);
- Try
- Actual
- S(G);XP(i)
- Threat
- DUALS(2)
- Vars
- K(j);OGATEB,S_FLIGHT,XS(G)::B(A)
- R(h);P_PINP(B),SBLOCK,XS(G)::QAR1(F)
- R(m);N_GUARD,XR(D)::QAB(F)
- B(b);P_SPINB(b),XP(E)::S(G)
- P(k);XP(B)::QAB1(F)
- Q(a);P_PINB(A)::S(G)
- Q(a);::S(G)
- R(m);::S(G)
- B(b);::S(G)
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