MESON Chess Problem Database
Problem Display
PID: 110676 (8/5p2/1p1Q1P2/B5p1/PPknp1R1/7K/2nP4/2N2N2 w - - 0 1)
Pimenov, Sergey Ivanovich
Pimenov, Vitaly Ivanovich
Sp. Prize, 64 Shakhmatnoe obozrenie, 1929
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sxb4
- 2.Se3#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sf3
- 2.Qd3#
- 1...Sb5
- 2.Qd3#
- 1...Sf5
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...e3
- 2.Qc6#
- 1...bxa5
- 2.Qc5#
- 1...b5
- 2.Qc5#
- 1...Sa1
- Tries
- 1.Kg2?
- 1...Se3+
- 2.Sxe3#
- 1...Sxb4
- 2.Se3#
- 1...bxa5
- 2.Qc5#
- 1...Sa1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sf3
- 2.Qd3#
- 1...Sb5
- 2.Qd3#
- 1...Sf5
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...e3
- 2.Qc6#
- 1...b5
- 2.Qc5#
- 1...Se1+!
- 1...Se3+
- 1.Kh2?
- 1...Sxb4
- 2.Se3#
- 1...bxa5
- 2.Qc5#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sb5
- 2.Qd3#
- 1...Sf5
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...e3
- 2.Qc6#
- 1...b5
- 2.Qc5#
- 1...Sf3+!
- 1...Sxb4
- 1.Rxe4?
- threat
- 2.Qc6#
- 1...Sxb4
- 2.Se3#
- 2.Rxd4#
- 2.Qxd4#
- 1...bxa5
- 2.Qc5#
- 1...g4+!
- threat
- 1.Rxg5?
- threat
- 2.Qd5#
- 1...Sxb4
- 2.Se3#
- 2.Qxb4#
- 1...bxa5
- 2.Qc5#
- 1...Se3
- 2.Sxe3#
- 1...Sf5!
- threat
- 1.Qxd4+?
- 1...Sxd4
- 2.Se3#
- 1...Kxd4!
- 1...Sxd4
- 1.d3+?
- 1...exd3
- 2.Qc6#
- 1...Kc3!
- 1...exd3
- 1.b5?
- 1...Sxb5
- 2.d3#
- 1...Se2
- 2.d3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sb4
- 2.Se3#
- 1...Sb3
- 2.d3#
- 1...Sf3
- 2.d3#
- 1...Sf5
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Se6
- 2.d3#
- 1...e3
- 2.Qc6#
- 2.d3#
- 1...bxa5!
- 1...Sxb5
- 1.Kg2?
- Keys
- 1.Qe5!
- 1...Sxb4
- 2.Se3#
- 1...bxa5
- 2.Qc5#
- 1...Se2
- 2.d3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sb3
- 2.d3#
- 1...Sf3
- 2.d3#
- 1...Sb5
- 2.d3#
- 1...Sf5
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Se6
- 2.d3#
- 1...e3
- 2.Qb5#
- 1...b5
- 2.Qc5#
- 1...Sxb4
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD,XP(F)::S(B)
- S(c);OGATE,P_SPINP(d)::QAB1(I)
- P(d);P_SPINS(c)::QAR2(I)
- P(f);N_GUARD,XB(H)::QAR1(I)
- P(f);N_GUARD::QAR1(I)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(B),XS(a)
- S(a);N_GUARD,XP(F)::S(B)
- P(f);N_GUARD,XB(H)::QAR1(I)
- S(a);N_GUARD::S(B)
- S(c);OGATE,P_SPINP(d)::QAB1(I)
- P(d);P_SPINS(c)::QAR2(I)
- P(f);N_GUARD::QAR1(I)
- Refutation
- S(a);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- S(a);N_GUARD,XP(F)::S(B)
- P(f);N_GUARD,XB(H)::QAR1(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);OGATE,P_SPINP(d)::QAB1(I)
- P(d);P_SPINS(c)::QAR2(I)
- P(f);N_GUARD::QAR1(I)
- Refutation
- S(c);CHECK,P_SPINP(d)
- Try
- R(G);P_PINS(c),XP(d)
- Threat
- QAR2(I)
- Vars
- P(f);N_GUARD,XB(H)::QAR1(I)
- Refutation
- P(e);CHECK
- Try
- R(G);XP(e)
- Threat
- QAB1(I)
- Vars
- P(f);N_GUARD,XB(H)::QAR1(I)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- S(c);
- Try
- Q(I);CHECK,XS(c)
- Vars
- S(a);SBLOCK,XQ(I)::S(B)
- Refutation
- K(b);P-FLIGHT,P_SPINP(d),XQ(I)
- Try
- P(C);CHECK
- Vars
- P(d);P_SPINS(c),XP(C)::QAR2(I)
- Refutation
- K(b);P-FLIGHT
- Try
- P(F);
- Vars
- S(c);P_SPINP(d),XP(F)::P(C)
- S(c);P_SPINP(d)::P(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- P(f);XB(H)
- Try
- Actual
- Q(I);
- Vars
- S(a);N_GUARD,XP(F)::S(B)
- P(f);N_GUARD,XB(H)::QAR1(I)
- S(c);P_SPINP(d)::P(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(d);P_SPINS(c)::QAB1(I)
- P(f);N_GUARD::QAR1(I)
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