MESON Chess Problem Database
Problem Display
PID: 93849 (3b4/qb2RP2/2QrnN1R/5k1B/5P1K/1N2Pp2/7n/2r5 w - - 0 1)
Nestorescu, Virgil
Sachove umeni (Ceskoslovensky sach), 1954
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qxe6#
- 1...Rd2
- 2.Qxe6#
- 1...Rd3
- 2.Qxe6#
- 1...Rd4
- 2.Qxe6#
- 1...Rd5
- 2.Qxe6#
- 1...Rd7
- 2.Qxe6#
- 1...Ba6
- 2.Qe4#
- 1...Bc8
- 2.Qe4#
- 1...Sf1
- 2.Bg4#
- 1...Sg4
- 2.Bxg4#
- 1...Sd4
- 2.Re5#
- 1...Sxf4
- 2.e4#
- 1...Sc5
- 2.Re5#
- 1...Sg5
- 2.Re5#
- 1...Sc7
- 2.Re5#
- 1...Sg7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Rd1
- Tries
- 1.Sd4+?
- 1...Rxd4
- 2.Qxe6#
- 1...Sxd4
- 2.Re5#
- 1...Qxd4!
- 1...Rxd4
- 1.Se4?
- threat
- 2.Sg3#
- 2.Sxd6#
- 2.Bg6#
- 2.Rf6#
- 1...Qxe3
- 2.Rf6#
- 1...Rcxc6
- 2.Sg3#
- 2.Bg6#
- 1...Rdxc6
- 2.Sg3#
- 2.Bg6#
- 1...Bxc6
- 2.Sg3#
- 2.Sxd6#
- 2.Bg6#
- 1...Sxf4
- 2.Sg3#
- 2.Sxd6#
- 1...Rd5
- 2.Sg3#
- 2.Bg6#
- 2.Qxe6#
- 1...Qd4
- 2.Sg3#
- 2.Bg6#
- 1...Qc5
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 1...Qb8
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 1...Qa1
- 2.Sg3#
- 2.Sxd6#
- 2.Bg6#
- 1...Qa3
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 1...Rcd1
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 1...Rg1
- 2.Sxd6#
- 2.Rf6#
- 1...Rdd1
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd2
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd3
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd4
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd7
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Bc7
- 2.Sg3#
- 2.Bg6#
- 2.Rf6#
- 1...Sf1
- 2.Sxd6#
- 2.Bg4#
- 2.Bg6#
- 2.Rf6#
- 1...Sg4
- 2.Sg3#
- 2.Sxd6#
- 2.Bxg4#
- 2.Bg6#
- 1...Sd4
- 2.Sg3#
- 2.Sxd6#
- 1...Sc5
- 2.Sg3#
- 2.Sxd6#
- 1...Sg5
- 2.Sg3#
- 2.Sxd6#
- 2.Re5#
- 1...Sc7
- 2.Sg3#
- 2.Sxd6#
- 1...Sg7
- 2.Sg3#
- 2.Sxd6#
- 1...Sf8
- 2.Sg3#
- 2.Sxd6#
- 1...Bxe7+!
- threat
- 1.Se8?
- threat
- 2.Sxd6#
- 2.Bg6#
- 2.Rf6#
- 1...Qxe3
- 2.Rf6#
- 1...Rcxc6
- 2.Bg6#
- 1...Rdxc6
- 2.Bg6#
- 1...Bxc6
- 2.Sxd6#
- 2.Bg6#
- 1...Sxf4
- 2.Sxd6#
- 2.Sg7#
- 2.e4#
- 1...Rd5
- 2.Bg6#
- 2.Qxe6#
- 1...Sd4
- 2.Sxd6#
- 2.Sg7#
- 1...Qd4
- 2.Bg6#
- 1...Qc5
- 2.Bg6#
- 2.Rf6#
- 1...Qb8
- 2.Bg6#
- 2.Rf6#
- 1...Qa1
- 2.Sxd6#
- 2.Bg6#
- 1...Qa3
- 2.Bg6#
- 2.Rf6#
- 1...Rcd1
- 2.Bg6#
- 2.Rf6#
- 1...Rg1
- 2.Sxd6#
- 2.Rf6#
- 1...Rdd1
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd2
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd3
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd4
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Rd7
- 2.Bg6#
- 2.Rf6#
- 2.Qxe6#
- 1...Bc7
- 2.Bg6#
- 2.Rf6#
- 1...Sg4
- 2.Sxd6#
- 2.Bxg4#
- 2.Bg6#
- 1...Sc5
- 2.Sxd6#
- 2.Sg7#
- 1...Sg5
- 2.Sxd6#
- 2.Sg7#
- 2.Re5#
- 1...Sc7
- 2.Sxd6#
- 2.Sg7#
- 1...Sg7
- 2.Sxd6#
- 2.Sxg7#
- 1...Sf8
- 2.Sxd6#
- 2.Sg7#
- 1...Bxe7+!
- threat
- 1.Qxd6?
- threat
- 2.Qe5#
- 2.Qxe6#
- 1...Bxe7
- 2.Qe5#
- 1...Sxf4
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Sd4
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 1...Qd4
- 2.Qxe6#
- 1...Qc5
- 2.Qxe6#
- 1...Qb6
- 2.Qe5#
- 1...Qb8
- 2.Qxe6#
- 1...Qa1
- 2.Qxe6#
- 1...Qa5
- 2.Qxe6#
- 1...Qa6
- 2.Qe5#
- 1...Rc5
- 2.Qxe6#
- 1...Rc6
- 2.Qe5#
- 2.Qd3#
- 2.Qd5#
- 2.e4#
- 1...Bd5
- 2.Qe5#
- 2.Qxd5#
- 1...Bc8
- 2.Qe5#
- 2.Qd3#
- 2.Qd5#
- 2.e4#
- 1...Bc7
- 2.Qxe6#
- 1...Sg4
- 2.Bxg4#
- 2.Qxe6#
- 1...Sc5
- 2.Sd4#
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 1...Sg5
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 1...Sc7
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 1...Sg7
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 1...Sf8
- 2.Re5#
- 2.Qe5#
- 1...Qxe3!
- threat
- 1.Sd4+?
- Keys
- 1.Sd5!
- threat
- 2.Bg6#
- 1...Bxe7+
- 2.Sxe7#
- 1...Ke4
- 2.Bg6#
- 1...Rxd5
- 2.Qxe6#
- 1...Sxf4
- 2.e4#
- 1...Rg1
- 2.Qc2#
- 1...Sd4
- 2.e4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Re5#
- 1...Sc7
- 2.e4#
- 1...Sg7
- 2.e4#
- 1...Sf8
- 2.e4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(e);OGATE::QAB1(F),XS(f)
- R(e);OGATE,P_PINP(C)::QAB1(F),XS(f)
- B(h);N_GUARD::QAB1(F)
- S(b);N_GUARD::B(E)
- S(b);N_GUARD::B(E),XS(b)
- S(f);OGATE::R1(I)
- S(f);SBLOCK,XP(C)::P(B)
- Tries
- Try
- S(A);CHECK
- Vars
- R(e);OGATE,P_PINP(C),XS(A)::QAB1(F),XS(f)
- S(f);OGATE,XS(A)::R1(I)
- Refutation
- Q(g);P_PINP(C),XS(A)
- Try
- S(G);P_SPINR(I)
- Threat
- DUALS(4)
- Vars
- Q(g);XP(B)::R1(H)
- Refutation
- B(i);CHECK,XR(I)
- Try
- S(G);P_SPINR(I)
- Threat
- DUALS(3)
- Vars
- Q(g);XP(B)::R1(H)
- R(a);XQ(F)::B(E)
- R(e);XQ(F)::B(E)
- Q(g);P_PINP(C)::B(E)
- Refutation
- B(i);CHECK,XR(I)
- Try
- Q(F);XR(e)
- Threat
- DUALS(2)
- Vars
- B(i);P_PINS(G),XR(I)::QAR1(F)
- Q(g);P_PINP(C)::QAB1(F),XS(f)
- Q(g);::QAB1(F),XS(f)
- Q(g);::QAR1(F)
- R(a);::QAB1(F),XS(f)
- B(i);::QAB1(F),XS(f)
- Refutation
- Q(g);XP(B)
- Try
- Actual
- S(G);P_SPINR(I)
- Threat
- B(E)
- Vars
- B(i);CHECK,XR(I)::S(G),XB(i)
- K(d);P_SPINS(f),S_FLIGHT::B(E)
- R(e);OGATE,XS(G)::QAB1(F),XS(f)
- S(f);XP(C)::P(B)
- R(a);N_GUARD::QAB(F)
- S(f);::P(B)
- S(f);N_GUARD,S_CUTQ(g)::S(A)
- S(f);N_PINR(I)::R1(I)
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