MESON Chess Problem Database
Problem Display
PID: 252872 (2nQ4/5pK1/4p3/4k1p1/5N1P/2rBprN1/5R2/3R4 w - - 0 1)
Pilchenko, Viacheslav Karlovich
Zadachi i Etyudi, 2021
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Qxg5#
- 1...Rxd3
- 2.Sxd3#
- 1...Sd6
- 2.Qf6#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Kxf4
- Tries
- 1.Bb1?
- threat
- 2.Qf6#
- 2.Qd4#
- 1...Kxf4
- 2.Qxg5#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 2.Qf6#
- 1...Sd6
- 2.Qf6#
- 2.Qxd6#
- 1...Se7
- 2.Qd4#
- 2.Qd6#
- 1...f5
- 2.Sg6#
- 2.Qd4#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 2.Qd4#
- 1...Rxf4!
- threat
- 1.Bc2?
- threat
- 2.Qf6#
- 2.Qd4#
- 1...Kxf4
- 2.Qxg5#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 2.Qf6#
- 1...Sd6
- 2.Qf6#
- 2.Qxd6#
- 1...Se7
- 2.Qd4#
- 2.Qd6#
- 1...f5
- 2.Sg6#
- 2.Qd4#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 2.Qd4#
- 1...Rxf4!
- threat
- 1.Bc4?
- threat
- 2.Qf6#
- 2.Qd4#
- 1...Kxf4
- 2.Qxg5#
- 1...Rxc4
- 2.Sd3#
- 2.Qf6#
- 1...Rxf4
- 2.Qa5#
- 1...Rd3
- 2.Sxd3#
- 1...Sd6
- 2.Qf6#
- 2.Qxd6#
- 1...Se7
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qb8#
- 1...f5
- 2.Sg6#
- 2.Qd4#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 2.Qd4#
- 1...Rxg3!
- threat
- 1.Bf5?
- threat
- 2.Qd4#
- 1...Rxg3
- 2.Qf6#
- 1...Rxf4
- 2.Qf6#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 1...Sd6
- 2.Qxd6#
- 1...Kxf4!
- threat
- 1.Bg6?
- threat
- 2.Qf6#
- 2.Qd4#
- 1...Kxf4
- 2.Qxg5#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 2.Qf6#
- 1...Sd6
- 2.Qf6#
- 2.Qxd6#
- 1...Se7
- 2.Qd4#
- 2.Qd6#
- 1...f5
- 2.Qd4#
- 1...f6
- 2.Qxf6#
- 2.Qd4#
- 1...Rxf4!
- threat
- 1.Bh7?
- threat
- 2.Qf6#
- 2.Qd4#
- 1...Kxf4
- 2.Qxg5#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 2.Qf6#
- 1...Sd6
- 2.Qf6#
- 2.Qxd6#
- 1...Se7
- 2.Qd4#
- 2.Qd6#
- 1...f5
- 2.Sg6#
- 2.Qd4#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 2.Qd4#
- 1...Rxf4!
- threat
- 1.Qd5+?
- 1...Kxf4
- 2.Qxg5#
- 1...exd5!
- 1...Kxf4
- 1.Bb1?
- Keys
- 1.Be4!
- threat
- 2.Qf6#
- 1...Kxf4
- 2.Qxg5#
- 1...Rxg3
- 2.Qd4#
- 1...Rxf4
- 2.Qd4#
- 1...Rd3
- 2.Sxd3#
- 1...Se7
- 2.Qd6#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- K(d);N_GUARD,P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(a);XB(C)::S(E),XR(a)
- S(h);SBLOCK::QAB1(H)
- P(g);N_GUARD::S(E)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(a);N_GUARD::S(E),XR(a)
- Refutation
- R(c);XS(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(a);N_GUARD::S(E),XR(a)
- Refutation
- R(c);XS(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(c);XS(E)::QAR(H)
- R(a);N_GUARD::S(E),XR(a)
- Refutation
- R(c);XS(D)
- Try
- B(C);
- Threat
- QAB1(H)
- Vars
- R(c);XS(D)::QAB1(H)
- R(c);XS(E)::QAB1(H)
- R(a);N_GUARD::S(E),XR(a)
- R(a);N_GUARD::S(E)
- S(h);N_GUARD::QAB1(H),XS(h)
- Refutation
- K(d);P_SPINR(c),S_FLIGHT,XS(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(a);N_GUARD::S(E),XR(a)
- P(g);::QAB1(H)
- Refutation
- R(c);XS(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(a);N_GUARD::S(E),XR(a)
- Refutation
- R(c);XS(E)
- Try
- Q(H);CHECK
- Vars
- K(d);OGATE,P_SPINR(c),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- Refutation
- P(f);XQ(H)
- Try
- Actual
- B(C);
- Threat
- QAB1(H)
- Vars
- K(d);P_SPINR(c),S_CUTP(g),S_FLIGHT,XS(E)::QAB1(H),XP(e)
- R(c);XS(D)::QAB1(H)
- R(c);XS(E)::QAB1(H)
- R(a);N_GUARD::S(E),XR(a)
- S(h);N_GUARD::QAB1(H)
- P(g);N_GUARD::S(E)
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