MESON Chess Problem Database
Problem Display
PID: 133606 (5B2/1p6/p1P1ppB1/1R4QK/P1kp1P1R/b1NpP3/3P4/rqN5 w - - 0 1)
Rice, John Michael
3rd HM., 64 Shakhmatnoe obozrenie, 1969
#2
13 + 10
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bxd3#
- 1...Qb2
- 2.Bxd3#
- 1...Qb3
- 2.Bxd3#
- 1...Qb4
- 2.Bxd3#
- 1...Qxb5
- 2.Bxd3#
- 1...Bxc1
- 2.Qc5#
- 1...Bb2
- 2.Rb4#
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...dxc3
- 2.f5#
- 1...dxe3
- 2.f5#
- 1...e5
- 2.Bf7#
- 1...Qa2
- Tries
- 1.Sxb1?
- threat
- 2.Bxd3#
- 1...Bxc1
- 2.Rb4#
- 2.Qc5#
- 1...dxe3
- 2.f5#
- 1...f5!
- threat
- 1.Bf5?
- threat
- 2.Bxe6#
- 1...Qxb5
- 2.Bxd3#
- 1...exf5
- 2.Qg8#
- 1...e5
- 2.Be6#
- 2.Qg8#
- 1...dxe3!
- threat
- 1.Bf7?
- threat
- 2.Bxe6#
- 1...dxe3
- 2.f5#
- 1...Qxb5!
- threat
- 1.Bxa3?
- threat
- 2.Rc5#
- 2.Qc5#
- 1...Qxc1
- 2.Rb4#
- 2.Qc5#
- 1...Qxb5
- 2.Bxd3#
- 1...Rxa3
- 2.Qc5#
- 1...dxe3
- 2.Qc5#
- 2.f5#
- 1...axb5
- 2.Qc5#
- 1...fxg5
- 2.Rc5#
- 1...Qb4
- 2.Bxd3#
- 2.Rxb4#
- 1...e5
- 2.Bf7#
- 2.Rc5#
- 1...f5
- 2.Rc5#
- 1...b6!
- threat
- 1.Rxb1?
- threat
- 2.Bxd3#
- 1...Bxc1
- 2.Rb4#
- 2.Qc5#
- 1...dxe3
- 2.f5#
- 1...f5!
- threat
- 1.Rb4+?
- 1...Qxb4
- 2.Bxd3#
- 1...Bxb4!
- 1...Qxb4
- 1.Rc5+?
- 1...Bxc5
- 2.Qxc5#
- 1...Kb4!
- 1...Bxc5
- 1.Qxf6?
- threat
- 2.Qxd4#
- 2.Qxe6#
- 1...dxc3
- 2.Qxc3#
- 2.Qd4#
- 2.Qxe6#
- 2.f5#
- 1...dxe3
- 2.f5#
- 1...Bc5
- 2.Qxe6#
- 1...e5
- 2.Bf7#
- 2.Qe6#
- 2.Qf7#
- 1...Qxb5+!
- threat
- 1.Qe5?
- threat
- 2.Qxd4#
- 2.Qxe6#
- 1...Qxb5
- 2.Bxd3#
- 1...dxc3
- 2.Qxc3#
- 2.Qd4#
- 2.Qe4#
- 2.Qxe6#
- 2.f5#
- 1...dxe3
- 2.Qe4#
- 2.f5#
- 1...Bc5
- 2.Qxc5#
- 2.Qxe6#
- 1...fxe5!
- threat
- 1.Qf5?
- threat
- 2.Qxe6#
- 1...dxe3
- 2.Qe4#
- 1...exf5
- 2.Bf7#
- 1...e5
- 2.Bf7#
- 2.Qe6#
- 1...Qxb5!
- threat
- 1.f5?
- threat
- 2.Rxd4#
- 1...e5
- 2.Bf7#
- 1...Bc5!
- threat
- 1.Sxb1?
- Keys
- 1.Sd5!
- threat
- 2.Sb6#
- 1...Qxb5
- 2.Bxd3#
- 1...dxe3
- 2.f5#
- 1...exd5
- 2.Qxd5#
- 1...Bc5
- 2.Rxc5#
- 1...b6
- 2.Sxb6#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::B(L),XP(d)
- Q(b);N_GUARD,P_PINQ(I),XR(H)::B(L),XP(d)
- B(c);N_GUARD,XS(A)::QAR1(I)
- B(c);N_GUARD::QAR1(I),XB(c)
- P(f);XS(C)::R(G)+P(F)
- P(f);XP(D)::R(G)+P(F)
- P(h);OGATEB::B(L)
- Tries
- Try
- S(C);XQ(b)
- Threat
- B(L),XP(d)
- Vars
- P(f);XP(D)::R(G)+P(F)
- Refutation
- P(i);
- Try
- B(L);
- Threat
- B(L),XP(h)
- Vars
- Q(b);N_GUARD,XR(H)::B(L),XP(d)
- P(h);OGATEB,XB(L)::QAB(I)
- Refutation
- P(f);XP(D)
- Try
- B(L);P_PINP(h)
- Threat
- B(L),XP(h)
- Vars
- P(f);XP(D)::R(G)+P(F)
- Refutation
- Q(b);P_PINQ(I),XR(H)
- Try
- B(M);XB(c)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,P_PINQ(I),XR(H)::B(L),XP(d)
- R(a);XB(M)::QAR1(I)
- P(g);XR(H)::QAR1(I)
- P(i);XQ(I)::R1(H)
- P(i);::R1(H)
- Refutation
- P(j);
- Try
- R(H);XQ(b)
- Threat
- B(L),XP(d)
- Vars
- P(f);XP(D)::R(G)+P(F)
- Refutation
- P(i);
- Try
- R(H);CHECK
- Vars
- Q(b);XR(H)::B(L),XP(d)
- Refutation
- B(c);XR(H)
- Try
- R(H);CHECK
- Vars
- B(c);OGATE,XR(H)::QAR1(I),XB(c)
- Refutation
- K(e);P-FLIGHT
- Try
- Q(I);XP(i)
- Threat
- DUALS(2)
- Vars
- P(f);XP(D)::R(G)+P(F)
- B(c);::QAB(I),XP(h)
- Refutation
- Q(b);CHECK,XR(H)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,P_PINQ(I),XR(H)::B(L),XP(d)
- Refutation
- P(i);XQ(I)
- Try
- Q(I);
- Threat
- QAB(I),XP(h)
- Vars
- P(f);OGATEB,XP(D)::QAR2(I)
- P(h);OGATEB,XQ(I)::B(L)
- Refutation
- Q(b);P_PINQ(I),XR(H)
- Try
- P(F);P_PINP(f)
- Threat
- R1(G),XP(f)
- Vars
- P(h);OGATEB::B(L)
- Refutation
- B(c);
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- Q(b);N_GUARD,XR(H)::B(L),XP(d)
- P(f);XP(D)::R(G)+P(F)
- P(h);OGATE,XS(C)::QAB1(I),XP(h)
- B(c);N_GUARD::R1(H),XB(c)
- P(j);::S(C),XP(j)
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