MESON Chess Problem Database
Problem Display
PID: 46558 (KB4B1/pP6/3N4/1p2p2r/qpPk1nQ1/b2N1P2/1PR2P2/3R4 w - - 0 1)
Yarovenko, Anatoly
Uralski Problemist, 2002
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Sxb5#
- 2.Bxa7#
- 1...Qb3
- 2.Sxb5#
- 2.Bxa7#
- 1...Rh1
- 2.Sf5#
- 1...Rh2
- 2.Sf5#
- 1...Rh3
- 2.Sf5#
- 1...Rh4
- 2.Sf5#
- 1...Rf5
- 2.Sxf5#
- 1...Rh6
- 2.Sf5#
- 1...Rh7
- 2.Sf5#
- 1...Rh8
- 2.Sf5#
- 1...bxc4
- 2.Rxc4#
- 1...a5
- 2.Ba7#
- 1...a6
- 2.Ba7#
- 1...Qxc2
- Tries
- 1.Sxe5+?
- 1...Kxe5
- 2.Se4#
- 2.Se8#
- 2.Qg7#
- 1...Kc5!
- 1...Kxe5
- 1.Qf5?
- threat
- 2.Qe4#
- 1...Rxf5
- 2.Sxf5#
- 1...e4
- 2.Sxf4#
- 2.Qxe4#
- 1...Sxd3!
- threat
- 1.Qxh5?
- threat
- 2.Sf5#
- 2.Qxe5#
- 1...Sxh5
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...e4
- 2.Sxf4#
- 2.Sf5#
- 2.Qc5#
- 2.Qe5#
- 2.Qh8#
- 1...Sxd3!
- threat
- 1.Qd7?
- threat
- 2.Sxb5#
- 2.Sf5#
- 1...Sxd3
- 2.Se4#
- 1...bxc4
- 2.Sb5#
- 2.Sf5#
- 2.Rxc4#
- 1...Rf5
- 2.Sxb5#
- 2.Sxf5#
- 1...Sd5!
- threat
- 1.Qxf4+?
- 1...e4
- 2.Qe3#
- 2.Qxe4#
- 1...exf4!
- 1...e4
- 1.Qg5?
- threat
- 2.Sf5#
- 1...Sxd3
- 2.Qe3#
- 1...Rxg5!
- threat
- 1.cxb5?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sxf4#
- 2.Sc5#
- 2.Rc4#
- 1...Qxb5
- 2.Sxb5#
- 1...Qb3
- 2.Bxa7#
- 1...Rh1
- 2.Se1#
- 2.Sf5#
- 2.Rc4#
- 1...b3
- 2.Sc1#
- 2.Se1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sc5#
- 1...e4
- 2.Rc4#
- 1...Qxc2!
- threat
- 1.c5?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sxf4#
- 1...Qxc2
- 2.Sxb5#
- 1...Qb3
- 2.Sxb5#
- 1...Rh1
- 2.Se1#
- 2.Sf5#
- 1...b3
- 2.Sc1#
- 2.Se1#
- 2.Sb4#
- 2.Sxf4#
- 1...e4!
- threat
- 1.Sxe5+?
- Keys
- 1.Se4!
- threat
- 2.Sxf4#
- 1...Qxc2
- 2.Bxa7#
- 1...Sxd3
- 2.Qd7#
- 1...Qb3
- 2.Bxa7#
- 1...Rh1
- 2.Bxe5#
- 1...Se2
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 2.Qd7#
- 1...Sg2
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 2.Qd7#
- 1...Sh3
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 2.Qd7#
- 1...Sd5
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 1...Se6
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 1...Sg6
- 2.Sc1#
- 2.Se1#
- 2.Sxb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Sxe5#
- 2.Qd7#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(h);N_GUARD::S(I)
- R(h);N_GUARD::S(I),XR(h)
- P(f);OGATE,XP(G)::R1(C),XP(f)
- P(i);S_CUTQ(b)::B(L)
- Tries
- Try
- S(E);CHECK,XP(g)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- Q(H);N_PINS(e)
- Threat
- QAR1(H)
- Vars
- R(h);XQ(H)::S(I),XR(h)
- Refutation
- S(e);P_SPINS(e),XS(E)
- Try
- Q(H);N_PINS(e),XR(h)
- Threat
- DUALS(2)
- Vars
- S(e);XQ(H)::S(I)
- S(e);::S(I)
- Refutation
- S(e);P_SPINS(e),XS(E)
- Try
- Q(H);N_PINS(e)
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD,P_SPINS(e),XS(E)::QAR(H)+S(I)
- Refutation
- S(e);
- Try
- Q(H);CHECK,XS(e)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);N_PINS(e)
- Threat
- S(I)
- Vars
- S(e);OGATE,P_SPINS(e),XS(E)::QAB1(H)
- Refutation
- R(h);XQ(H)
- Try
- P(G);XP(f)
- Threat
- DUALS(6)
- Vars
- Q(b);XP(G)::S(I),XQ(b)
- Q(b);N_GUARD::B(L),XP(i)
- P(g);N_SPINS(e)::R1(C)
- Refutation
- Q(b);XR(C)
- Try
- P(G);
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD,XR(C)::S(I),XP(f)
- Q(b);N_GUARD::S(I),XP(f)
- Refutation
- P(g);N_SPINS(e)
- Try
- Actual
- S(I);N_PINS(e)
- Threat
- R(A)+S(E),XS(e)
- Vars
- Q(b);N_GUARD,XR(C)::B(L),XP(i)
- S(e);N_GUARD,P_SPINS(e),XS(E)::QAR(H)
- Q(b);N_GUARD::B(L),XP(i)
- R(h);N_GUARD::B(L),XP(g)
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