MESON Chess Problem Database
Problem Display
PID: 176526 (4nK2/3B4/1B3Q2/p4P2/Nkb4R/2R2r2/P4b2/1n2rq2 w - - 0 1)
Paslack, Rainer
HM., Schach-Echo, 1991
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Rhxc4#
- 1...Qh3
- 2.Rhxc4#
- 1...Qg1
- 2.Rhxc4#
- 1...Qh1
- 2.Rhxc4#
- 1...Re2
- 2.Rhxc4#
- 1...Ree3
- 2.Bc5#
- 1...Rd3
- 2.Rhxc4#
- 1...Rfe3
- 2.Bc5#
- 1...Rxf5
- 2.Rb3#
- 1...Be3
- 2.Rb3#
- 1...Bg3
- 2.Bc5#
- 1...Bxh4
- 2.Bc5#
- 1...Bc5+
- 2.Bxc5#
- 1...Bxb6
- 2.Qxb6#
- 1...Sd2
- 2.a3#
- 1...Qg2
- Tries
- 1.Bxf2?
- threat
- 2.Bc5#
- 2.Qb6#
- 1...Qxf2
- 2.Rhxc4#
- 1...Rxf2
- 2.Rb3#
- 2.Qb6#
- 1...Rxc3
- 2.Bc5#
- 1...Rxf5
- 2.Rb3#
- 1...Sxc3
- 2.Bc5#
- 1...Sxf6
- 2.Bc5#
- 1...Qg1
- 2.Rhxc4#
- 2.Qb6#
- 1...Ree3
- 2.Qb6#
- 1...Re4
- 2.Bc5#
- 1...Re6
- 2.Bc5#
- 1...Rfe3
- 2.Qb6#
- 1...Rf4
- 2.Bc5#
- 1...Sa3
- 2.Bc5#
- 1...Sd6
- 2.Bc5#
- 2.Qxd6#
- 1...Sc7
- 2.Bc5#
- 2.Qd6#
- 1...Re5!
- threat
- 1.Be3?
- threat
- 2.Rb3#
- 2.Qb6#
- 1...Rexe3
- 2.Qb6#
- 1...Rfxe3
- 2.Qb6#
- 1...Rxf5
- 2.Rb3#
- 1...Bxe3
- 2.Rb3#
- 1...Bxh4
- 2.Bc5#
- 1...Sxc3
- 2.Qxc3#
- 1...Sxf6
- 2.Rb3#
- 1...Qd3
- 2.Qb6#
- 1...Sd2
- 2.Qb6#
- 2.a3#
- 1...Sa3
- 2.Rb3#
- 1...Sd6
- 2.Rb3#
- 2.Qxd6#
- 1...Sc7
- 2.Rb3#
- 2.Qe7#
- 2.Qd6#
- 1...Rf4!
- threat
- 1.Rcxc4+?
- 1...Ka3
- 2.Qb2#
- 1...Qxc4!
- 1...Ka3
- 1.Qd6+?
- 1...Bc5
- 2.Bxc5#
- 2.Qxc5#
- 1...Sxd6!
- 1...Bc5
- 1.Bxf2?
- Keys
- 1.Re3!
- threat
- 2.Bc5#
- 2.Qb2#
- 1...Rexe3
- 2.Bc5#
- 1...Rfxe3
- 2.Bc5#
- 1...Rxf5
- 2.Rb3#
- 1...Bxe3
- 2.Qb2#
- 1...Bxh4
- 2.Bc5#
- 1...Sxf6
- 2.Bc5#
- 1...Qd3
- 2.Bc5#
- 1...Sc3
- 2.Bc5#
- 2.Qxc3#
- 1...Qe2
- 2.Bc5#
- 1...Re2
- 2.Bc5#
- 1...Rf4
- 2.Bc5#
- 1...Sd2
- 2.Bc5#
- 2.Qc3#
- 2.a3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- Q(c);N_GUARD::R1(D),XB(g)
- R(b);S_CUTQ(c)::R1(D),XB(g)
- R(b);S_CUTB(d)::B(F)
- R(e);S_CUTQ(c)::R1(D),XB(g)
- R(e);S_CUTB(d)::B(F)
- R(e);N_GUARD,P_PINQ(G),XP(E)::R1(B)
- B(d);S_CUTR(e)::R1(B)
- B(d);N_GUARD::B(F)
- B(d);N_GUARD,N_SPINB(g),XR(D)::B(F)
- B(d);CHECK,N_GUARD::B(F),XB(d)
- B(d);OGATE,XB(F)::QAR2(G),XB(d)
- S(a);N_GUARD::P(A)
- Tries
- Try
- B(F);XB(d)
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,XB(F)::R1(D),XB(g)
- R(e);XR(B)::B(F)
- R(e);N_GUARD,P_PINQ(G),XP(E)::R1(B)
- S(a);XR(B)::B(F)
- S(i);XQ(G)::B(F)
- R(b);::QAR2(G)
- R(b);N_SPINB(g)::B(F)
- R(b);::B(F)
- R(e);::QAR2(G)
- R(e);N_SPINB(g)::B(F)
- S(a);::B(F)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);XB(F)::QAR2(G)
- R(e);XB(F)::QAR2(G)
- R(e);P_PINQ(G),XP(E)::R1(B)
- B(d);XB(F)::R1(B)
- B(d);N_GUARD,N_SPINB(g),XR(D)::B(F)
- S(a);OGATE,XR(B)::QAB1(G),XS(a)
- S(i);XQ(G)::R1(B)
- Q(c);::QAR2(G)
- S(a);::R1(B)
- Refutation
- R(e);N_SPINB(g)
- Try
- R(B);CHECK,XB(g)
- Vars
- K(f);S_FLIGHT::QAB1(G)
- Refutation
- Q(c);P_SPINQ(c),XR(B)
- Try
- Q(G);CHECK,P_SPINP(E)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- R(B);
- Threat
- DUALS(2)
- Vars
- R(b);XR(B)::B(F)
- R(e);XR(B)::B(F)
- R(e);N_GUARD,P_PINQ(G),XP(E)::R1(B)
- B(d);XR(B)::QAR2(G)
- B(d);N_SPINB(g),XR(D)::B(F)
- S(i);XQ(G)::B(F)
- Q(c);::B(F)
- R(b);::B(F)
- R(e);N_SPINB(g)::B(F)
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