MESON Chess Problem Database
Problem Display
PID: 261395 (1qN3b1/3QP3/pR6/2B3r1/P1k1N2R/2p5/KnP2P2/b2r3B w - - 0 1)
Banny, Dimitry Nikolaevich
Neue Zurcher Zeitung, 1996
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Rb4#
- 1...Qg3
- 2.Rb4#
- 1...Qf4
- 2.Rb4#
- 1...Qe5
- 2.Rb4#
- 1...Qa7
- 2.Rb4#
- 1...Qc7
- 2.Rb4#
- 1...Qxb6
- 2.Sxb6#
- 1...Qa8
- 2.Rb4#
- 1...Qxc8
- 2.Rb4#
- 1...Rb1
- 2.Qd4#
- 1...Rc1
- 2.Qd4#
- 1...Re1
- 2.Qd4#
- 1...Rf1
- 2.Qd4#
- 1...Rdg1
- 2.Qd4#
- 1...Rxh1
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Rxc5
- 2.Sd2#
- 2.Sed6#
- 1...Sd3
- 2.Qd4#
- 1...Qh2
- Tries
- 1.Ba3?
- threat
- 2.Sd2#
- 2.Sed6#
- 1...Rxh1
- 2.Sd2#
- 1...Qd6
- 2.Sd2#
- 2.Sexd6#
- 1...Rd6
- 2.Sd2#
- 2.Sexd6#
- 1...Qf4
- 2.Rb4#
- 1...Rd2
- 2.Sxd2#
- 2.Sed6#
- 1...Rg2
- 2.Sd2#
- 2.Rc6#
- 1...Rg4
- 2.Rc6#
- 1...Rd4!
- threat
- 1.Be3?
- threat
- 2.Sd2#
- 2.Sed6#
- 1...Rxh1
- 2.Sd2#
- 2.Qd4#
- 1...Qd6
- 2.Sd2#
- 2.Sexd6#
- 1...Rd6
- 2.Sd2#
- 2.Sexd6#
- 1...Rd2
- 2.Sxd2#
- 2.Sed6#
- 1...Rd4
- 2.Qxd4#
- 1...Rg2
- 2.Sd2#
- 2.Qc6#
- 1...Rg4
- 2.Qc6#
- 1...Qf4!
- threat
- 1.Rxb8?
- threat
- 2.Sb6#
- 2.Rb4#
- 1...Rxd7
- 2.Sb6#
- 1...Rxc5
- 2.Sd2#
- 2.Sed6#
- 1...Sxa4
- 2.Rb4#
- 1...Rg6
- 2.Rb4#
- 1...Sd3
- 2.Sb6#
- 2.Qd4#
- 1...a5
- 2.Sb6#
- 1...Rd6!
- threat
- 1.Qc6?
- threat
- 2.Sd2#
- 2.Sed6#
- 1...Qf4
- 2.Rb4#
- 1...Qd6
- 2.Sd2#
- 2.Sexd6#
- 2.Rb4#
- 1...Rd2
- 2.Sxd2#
- 2.Sed6#
- 1...Rd6
- 2.Sd2#
- 2.Sexd6#
- 1...Rg4
- 2.Be3#
- 1...Rd4!
- threat
- 1.Ba3?
- Keys
- 1.Rc6!
- threat
- 2.Sd2#
- 2.Sed6#
- 1...Qb3+
- 2.cxb3#
- 1...Rxh1
- 2.Sd2#
- 2.Qd4#
- 1...Sxa4
- 2.Sed6#
- 1...Qd6
- 2.Sd2#
- 2.Sexd6#
- 2.Sb6#
- 1...Rd6
- 2.Sd2#
- 2.Sexd6#
- 1...Qf4
- 2.Sb6#
- 1...Rd2
- 2.Sxd2#
- 2.Sed6#
- 1...Rd4
- 2.Qxd4#
- 1...Rg2
- 2.Sd2#
- 2.Ba3#
- 1...Rg4
- 2.Ba3#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 15
- Sets
- Q(h);N_GUARD::R1(I)
- Q(h);XR(I)::S(L),XQ(h)
- Q(h);N_GUARD,XS(L)::R1(I)
- R(b);N_GUARD::QAR1(J)
- R(b);N_GUARD,XB(A)::QAR1(J)
- R(b);N_GUARD::QAR1(J),XR(b)
- S(c);S_CUTR(b)::QAR1(J)
- Tries
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(b);XB(A)::R(G)+S(F),DCHECK
- Q(h);N_GUARD::R1(I)
- R(f);N_GUARD::R(I)
- Refutation
- R(b);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAR1(J),XR(b)
- R(f);N_GUARD::QAR2(J)
- Refutation
- Q(h);
- Try
- R(I);XQ(h)
- Threat
- DUALS(2)
- Vars
- R(b);XQ(J)::S(L)
- S(c);XP(E)::R1(I)
- R(f);::R1(I)
- P(g);::S(L)
- Refutation
- R(b);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD::R1(I)
- R(f);N_GUARD::QAR(J)+B(H)
- Refutation
- R(b);
- Try
- Actual
- R(I);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,OGATE::P(C),XQ(h)
- S(c);XP(E)::R(G)+S(F),DCHECK
- Q(h);N_GUARD::S(L)
- R(b);N_GUARD::QAR1(J),XR(b)
- R(f);N_GUARD::R(I)+B(H)
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