MESON Chess Problem Database

Problem Display
PID: 265764 (8/1Q6/8/8/8/3N4/PP1RK3/qkN5 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Kapustin, Fedor Mikhailovich

Uris-60 JT (Problemas), 2022

8/1Q6/8/8/8/3N4/PP1RK3/qkN5

#2

7 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb2
      • 2.Qxb2#
  • Tries
    • 1.Kd1?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Ke1?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Kf1?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Kf2?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Ke3?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Kf3?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Sb3?
      • 1...Qxb2
        • 2.Rxb2#
      • 1...Qxa2
        • 2.Qh1#
      • 1...Kxa2!
    • 1.Se1?
      • 1...Kxc1
        • 2.Rd1#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Sf2?
      • 1...Kxc1
        • 2.Qh1#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Sf4?
      • 1...Kxc1
        • 2.Qh1#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Sc5?
      • 1...Kxc1
        • 2.Qh1#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Se5?
      • 1...Kxc1
        • 2.Qh1#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Qh1?
      • 1...Qxa2
        • 2.Sb3#
      • 1...Qxb2!
    • 1.Qd5?
      • 1...Qxa2
        • 2.Qxa2#
      • 1...Qxb2!
    • 1.Qa6?
      • 1...Qxa2
        • 2.Qxa2#
      • 1...Qxb2!
    • 1.Qa8?
      • 1...Qxa2
        • 2.Qxa2#
      • 1...Qxb2!
    • 1.Qb4?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Qb5?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Qb6?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Qa7?
      • 1...Qxa2
        • 2.Qxa2#
      • 1...Qxb2!
    • 1.Qf7?
      • 1...Qxa2
        • 2.Qxa2#
      • 1...Qxb2!
    • 1.Qg7?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
    • 1.Qb8?
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qc2#
      • 1...Qxb2
        • 2.Qxb2#
      • 1...Qxa2
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • Q(a);OGATE,P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • Q(a);OGATE,P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • Q(a);OGATE,P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • Q(a);OGATE,P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • Q(a);OGATE,P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • S(A);
      • Vars
        • Q(a);OGATE,P_PINR(D),XP(C)::R1(D),XQ(a)
        • Q(a);SBLOCK,XP(B)::QAR(G)
      • Refutation
        • K(b);S_FLIGHT,XP(B)
    • Try
      • S(F);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(A)::R1(D)
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • S(F);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(A)::QAR(G)
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • S(F);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(A)::QAR(G)
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • S(F);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(A)::QAR(G)
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • S(F);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(A)::QAR(G)
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Vars
        • Q(a);SBLOCK,XP(B)::QAR(G)+S(A)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
      • Refutation
        • Q(a);P_PINR(D),XP(C)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,P_PINR(D),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Vars
        • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Refutation
        • Q(a);XP(B)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • Q(a);OGATE,P_PINR(D),P_SPINQ(a),XP(C)::QAR1(G),XQ(a)
      • Q(a);OGATE,XP(B)::QAB1(G),XQ(a)
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Developed and maintained by Brian Stephenson.
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