MESON Chess Problem Database
Problem Display
PID: 245387 (3Q1n2/b5p1/p2N4/rp1n1p1r/1PPkPP2/3p4/3B4/2RKR3 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Szachy, 1984
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sxf5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...Rh8
- 2.Sxf5#
- 1...Sc3+
- 2.Bxc3#
- 1...Se3+
- 2.Bxe3#
- 1...Sxb4
- 2.Be3#
- 1...Sxf4
- 2.Bc3#
- 1...Sb6
- 2.Sxb5#
- 2.Sxf5#
- 2.Bc3#
- 2.Be3#
- 1...Sf6
- 2.Sxb5#
- 2.Sxf5#
- 2.Bc3#
- 2.Be3#
- 1...Sc7
- 2.Sxb5#
- 2.Sxf5#
- 2.Bc3#
- 2.Be3#
- 1...Se7
- 2.Sxb5#
- 2.Sxf5#
- 2.Bc3#
- 2.Be3#
- 1...bxc4
- 2.Rxc4#
- 1...fxe4
- 2.Rxe4#
- 1...g5
- 2.Sxf5#
- 1...Rh1
- Tries
- 1.Sxb5+?
- 1...axb5
- 2.Qxd5#
- 1...Rxb5!
- 1...axb5
- 1.Sb7?
- threat
- 2.Qxd5#
- 1...bxc4
- 2.Bc3#
- 1...fxe4
- 2.Be3#
- 1...Sd7!
- threat
- 1.Sf7?
- threat
- 2.Qxd5#
- 1...bxc4
- 2.Bc3#
- 1...fxe4
- 2.Be3#
- 1...Sd7!
- threat
- 1.Sc8?
- threat
- 2.Qxd5#
- 1...bxc4
- 2.Bc3#
- 1...fxe4
- 2.Be3#
- 1...Sd7!
- threat
- 1.Se8?
- threat
- 2.Qxd5#
- 1...bxc4
- 2.Bc3#
- 1...fxe4
- 2.Be3#
- 1...Sd7!
- threat
- 1.Qb6+?
- 1...Sxb6
- 2.Bc3#
- 2.Be3#
- 1...Bxb6!
- 1...Sxb6
- 1.Qf6+?
- 1...Sxf6
- 2.Bc3#
- 2.Be3#
- 1...gxf6!
- 1...Sxf6
- 1.cxd5?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Ra3
- 2.Be3#
- 1...Rh3
- 2.Sxf5#
- 2.Bc3#
- 1...fxe4!
- threat
- 1.exd5?
- threat
- 2.Bc3#
- 2.Be3#
- 1...Ra3
- 2.Be3#
- 1...Rh3
- 2.Sxf5#
- 2.Bc3#
- 1...bxc4!
- threat
- 1.exf5?
- threat
- 2.Re4#
- 1...Sc3+
- 2.Bxc3#
- 1...Se3+
- 2.Bxe3#
- 1...Sxb4
- 2.Be3#
- 1...Sf6
- 2.Sxb5#
- 2.Bc3#
- 2.Be3#
- 1...Rh1!
- threat
- 1.Sxb5+?
- Keys
- 1.Qa8!
- threat
- 2.Qxd5#
- 1...Sc3+
- 2.Bxc3#
- 1...Se3+
- 2.Bxe3#
- 1...Sxb4
- 2.Be3#
- 2.Qxa7#
- 1...Sxf4
- 2.Bc3#
- 1...bxc4
- 2.Rxc4#
- 1...fxe4
- 2.Rxe4#
- 1...Sb6
- 2.Bc3#
- 2.Be3#
- 1...Sf6
- 2.Bc3#
- 2.Be3#
- 2.Qxa7#
- 1...Sc7
- 2.Bc3#
- 2.Be3#
- 2.Qxa7#
- 1...Se7
- 2.Bc3#
- 2.Be3#
- 2.Qxa7#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(g);N_GUARD,P_PINR(C)::S(I),XP(f)
- R(g);N_GUARD::S(I),XP(f)
- S(e);CHECK,N_GUARD::B(D),XS(e)
- S(e);N_GUARD,XP(E)::B(D)
- S(e);N_GUARD,XP(H)::B(D)
- P(d);OGATE,XP(F)::R1(A),XP(d)
- P(f);OGATE,XP(G)::R1(C),XP(f)
- P(j);S_CUTR(g)::S(I),XP(f)
- Tries
- Try
- S(I);CHECK,P_PINS(e),XP(d)
- Vars
- P(h);XS(I)::QAR1(J),XS(e)
- Refutation
- R(c);XS(I)
- Try
- S(I);P_PINS(e)
- Threat
- QAR1(J),XS(e)
- Vars
- P(d);SBLOCK,XP(F)::B(D)
- P(f);SBLOCK,XP(G)::B(D)
- Refutation
- S(k);N_SPINS(e)
- Try
- S(I);P_PINS(e)
- Threat
- QAR1(J),XS(e)
- Vars
- P(d);SBLOCK,XP(F)::B(D)
- P(f);SBLOCK,XP(G)::B(D)
- Refutation
- S(k);N_SPINS(e)
- Try
- S(I);P_PINS(e)
- Threat
- QAR1(J),XS(e)
- Vars
- P(d);SBLOCK,XP(F)::B(D)
- P(f);SBLOCK,XP(G)::B(D)
- Refutation
- S(k);N_SPINS(e)
- Try
- S(I);P_PINS(e)
- Threat
- QAR1(J),XS(e)
- Vars
- P(d);SBLOCK,XP(F)::B(D)
- P(f);SBLOCK,XP(G)::B(D)
- Refutation
- S(k);N_SPINS(e)
- Try
- Q(J);CHECK
- Refutation
- B(i);XQ(J)
- Try
- Q(J);CHECK
- Refutation
- P(j);XQ(J)
- Try
- P(F);XS(e)
- Threat
- DUALS(2)
- Vars
- R(c);::B(D)
- Refutation
- P(f);XP(G)
- Try
- P(G);XS(e)
- Threat
- DUALS(2)
- Vars
- R(c);::B(D)
- Refutation
- P(d);XP(F)
- Try
- P(G);XP(f)
- Threat
- R1(C)
- Vars
- S(e);CHECK,N_GUARD::B(D),XS(e)
- S(e);N_GUARD,XP(E)::B(D)
- Refutation
- R(g);P_PINR(C)
- Try
- Actual
- Q(J);
- Threat
- QAR1(J),XS(e)
- Vars
- S(e);CHECK,N_GUARD::B(D),XS(e)
- S(e);N_GUARD,XP(H)::B(D)
- P(d);OGATE,XP(F)::R1(A),XP(d)
- P(f);OGATE,XP(G)::R1(C),XP(f)
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